List of land borders with dates of establishment
This list of land borders with date of establishment identifies the historical year in which borders were established between countries.
Europe
Albania–Greece
- 1913/1914 after Greek withdrawal due to international diplomatic pressure.
Albania–Montenegro
- Shkodër - Berane
- 1913 at the Treaty of London ending the Balkan Wars.
- From Shkodër - Podgorica to Shkodër - Ulcinj
- 1878 at the Treaty of Berlin, border between Montenegro and the Ottoman Empire.
- 1913 at the Treaty of London[1]
Albania–North Macedonia
- 1913 at the Treaty of London, border between Albania and Serbia.
- 1991 Independence for the Republic of Macedonia.
Albania–Serbia
- 1913 at the Treaty of London.
Andorra–France
- 985 France doesn't help Barcelona versus the Saracens, border between France and Barcelona.
- 1278 Foix gains co-sovereignty over Andorra next to the bishop of Urgel.[2]
Andorra–Spain
- 1278 Foix gains co-sovereignty over Andorra next to the Bishop of Urgel.[2]
- 1479 Union between Castile and Aragon, the beginning of Spain.
Austria–Czech Republic
Austria–Liechtenstein
- 1719 Creation of Liechtenstein.
Austria–Switzerland
- Stuben - Scuol
- 1363 Tyrol becomes Austrian, border between Austria and the bishopric of Chur.
- 1497/1498 Grissons allies with Switzerland.
- Schruns - Davos
- 1420 Austria acquires Montafon, border between Austria and Toggenburg.
- 1497/1498 Grissons allies with Switzerland.
- Bregenz - St. Gallen
- 15th century, Austria becomes the dominant power on the east bank of the Rhine.
- 1491 Switzerland takes control of the west bank of the Rhine.
Austria–Slovakia
- 976 Babenberger receive the Eastmark from the Germanic king , border between Austria and Hungary.
- 1993 Slovakia gains independence from Czechoslovakia.
Austria–Hungary
- 1919 at the Treaty of Saint-Germain, one of the treaties ending World War I.
Austria–Slovenia
- 1919 at the Treaty of Saint-Germain, border between Austria and Yugoslavia.
- 1991 Slovenian independence.
Austria–Germany
- 1871 establishment of the German Empire, border between Austria-Hungary and Germany.
Austria–Italy
- From Nauders - Mals to Lienz - Bruneck
- 1919 at the Treaty of Saint-Germain.
- Kötschach - Paluzza
- 1st millennium, border between Italy and Carinthia.
- 1335 Carinthia is inherited by the duke of Austria, border between Austria and Aquileia.
- 1866 Venice conquered by Italy from Austria.
- Villach - Tarvisio
- 1919 at the Treaty of Saint-Germain.
Azerbaijan–Georgia
- 1991 Azerbaijani and Georgian independence from the Soviet Union.
Azerbaijan–Russia
Belarus–Latvia
- 1920 peace between Latvia/Poland and the Soviet Union, border between Latvia and the Soviet Union/Poland.
- 1991 Belarusian and Latvian independence.
Belarus–Poland
- 1945 after the annexation of East Poland by the Soviet Union during World War II, border between Poland and the Soviet Union.
- 1991 Belarusian independence.
Belarus–Russia
- From Polatsk - Velikiye Luki to Mahilyow - Klincy
- Gomel - Klincy
- 1667 at the Treaty of Andrusovo ending the Russo-Polish War, border between Russia and Poland-Lithuania.
- 1991 dissolution of the Soviet Union.
Belarus–Ukraine
- 1991 Belarusian and Ukrainian independence.
Belgium–Netherlands
- From Knokke-Heist - Cadzand to Bree - Budel
- 1648 at the peace of Westphalia between the Netherlands and Spain ending the Thirty Years' War.
- 1830/1839 after the Belgian Revolution against the (united) Netherlands.
- From Bree - Weert to Plombières - Vaals
- 1839 at the Treaty of London.
Belgium–France
- From De Panne - Bray-Dunes to Poperinge - Godewaersvelde
- 1697 at the peace of Rijswijk, between France and Spain.
- 1830/1839 After the Belgian Revolution.
- From Loker - Bailleul to Comines
- 1713 at the peace of Utrecht, between France and Austria
- 1830/1839 After the Belgian Revolution.
- From Menen - Tourcoing to Mons - Maubeuge
- 1697 at the peace of Rijswijk, between France and Spain.
- 1830/1839 After the Belgian Revolution.
- From Binche - Maubeuge to Chimay - Fourmies
- 1678/1679 at the peace of Nijmegen, between France and Spain.
- 1830/1839 After the Belgian Revolution.
- Couvin - Rocroi
- 941? Border between France and Germany.
- 1830/1839 After the Belgian Revolution.
- From Couvin - Revin to Agimont - Givet
- 1678/1679 at the peace of Nijmegen, between France and the bishopric of Liege.
- 1830/1839 After the Belgian Revolution.
- From Hastière - Givet to Aubange - Longwy
- 1697 at the peace of Rijswijk, between France and Germany (Spain and the bishopric of Liege).
- 1830/1839 After the Belgian Revolution.
Belgium–Luxembourg
- From Aubange - Pétange to Gouvy - Huldange
- 1839 at the Treaty of London.
- Burg-Reuland - Leithum
- 1839 at the Treaty of London, between Luxembourg and Prussia.
- 1919 at the Treaty of Versailles.
Belgium–Germany
- 1919 at the Treaty of Versailles.
Bosnia and Herzegovina–Croatia
- 1995 Dayton Agreement ending the Bosnian War.
Bosnia and Herzegovina–Montenegro
- Sarajevo - Pljevlja
- 1913 at the Treaty of London, border between Montenegro and Austria-Hungary.
- 1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- 2006 Montenegrin independence.
- Sarajevo - Nikšić
- 1878 at the Treaty of Berlin, border between Montenegro and Austria-Hungary.
- 1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- 2006 Montenegrin independence.
- Trebinje - Herceg Novi
- 1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- 2006 Montenegrin independence.
Bosnia and Herzegovina–Serbia
- Zvornik - Loznica
- 13th century, after Serbian conquest, border between Serbia and Bosnia.
- 1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- 2006 Serbian self-determination.
- Sarajevo - Priboj
- 1913 at the Treaty of London, border between Serbia and Austria-Hungary.
- 1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- 2006 Serbian self-determination.
Bulgaria–Greece
- Petrich - Sidirokastro
- 1913 at the Treaty of London.
- From Smolyan - Xanthi to Svilengrad - Orestiada
- 1919 at the Treaty of Neuilly.
Bulgaria–North Macedonia
- Petric - Strumica
- 1919 at the Treaty of Neuilly, border between Bulgaria and Yugoslavia.
- 1991 Independence for the Republic of Macedonia.
- Blagoevgrad - Kočani
- 1913 at the Treaty of Bucharest, border between Bulgaria and Serbia.
- 1991 Independence for the Republic of Macedonia.
- Kyustendil - Skopje
- 1878 Bulgarian independence, border between Bulgaria and the Ottoman Empire.
- 1991 Independence for the Republic of Macedonia.
Bulgaria–Romania
- Varna - Constanţa
- 1878 after the defeat of the Ottoman Empire.
- From Silistra - Feteşti to Vidin - Calafat
- 1185 After Bulgarian uprise against the Byzantine Empire, border between Bulgaria and the Cumans.
- 1861 Romanian independence, border between Romania and the Ottoman Empire.
- 1878 Bulgarian independence.
Bulgaria–Serbia
Bulgaria–Turkey
- Burgas - Kırklareli
- 1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire (Turkey).
- Elhovo - Edirne
- 1885 after the East Rumelian revolution, border between Bulgaria and the Ottoman Empire (Turkey).
- Svilengrad - Edirne
- 1919 at the Treaty of Neuilly, border between Bulgaria and the Ottoman Empire (Turkey).
Croatia–Hungary
Croatia–Montenegro
- 1991 Croatian independence, border between Croatia and Yugoslavia.
- 2006 Montenegrin independence.
Croatia–Serbia
- Osijek - Apatin
- 1995 Dayton agreement, border between Croatia and Yugoslavia.
- 2006 Serbian self-determination.
- Vukovar - Bačka Palanka
- 925 Croatia conquers Slavonia, border between Croatia and Hungary.
- 2006 Serbian self-determination.
- Vukovar - Sremska Mitrovica
- 1995 Dayton agreement, border between Croatia and Yugoslavia.
- 2006 Serbian self-determination.
Czech Republic–Germany
- From Volary - Neureichenau to Mariánské Lázně - Mähring
- 843 Treaty of Verdun dividing the Carolingian Empire, border between Germany and the Bohemians (Czechs).
- Cheb - Marktredwitz
- 1266 Egerland (Cheb) becomes Bohemian (dispute whether Bohemia was German at that time).
- From Kraslice - Klingenthal to Hrádek nad Nisou - Zittau
- 9th century, Bohemia established, border between Bohemia (Czechs) and the Sorbs.
- 10th century, Germans conquer Sorb territories.
Czech Republic–Poland
- From Liberec - Gorlice to Trutnov - Wałbrzych
- 9th century, border between Bohemia (Czech Republic) and Great Moravia.
- 10th century, border between Bohemia (Czech Republic) and Poland.
- 1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia.
- 1993 Czechoslovakia dissolved.
- Náchod - Kłodzko to Ostrava - Racibórz
- 1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia.
- 1993 Czechoslovakia dissolved.
- Český Těšín - Cieszyn
- 1919 border between Czechoslovakia and Poland.
- 1993 Czechoslovakia dissolved.
Czech Republic–Slovakia
- From Břeclav - Senica to Frýdek-Místek - Žilina
- 10th century, Bohemia acquires Moravia, border between Bohemia (Czech Republic) and Hungary.
- 1993 Czechoslovakia splits in two.
- Český Těšín - Čadca
- 1298 Bohemia acquires Upper Silesia, border between Bohemia (Czech Republic) and Hungary.
- 1993 Czechoslovakia splits in two.
Denmark–Germany
- 1920 after referendum.
Estonia–Latvia
- 1918 Latvian and Estonian independence from Russia.
Finland–Russia
- Nellim - Nikel
- 1946 at the Treaty of Paris, border between Finland and the Soviet Union.
- Kuusamo - Topozero
- 1917 Finnish independence.
- Kotka - Vyborg
- 1946 at the Treaty of Paris, border between Finland and the Soviet Union.
Finland–Sweden
- 17 September 1809 - Treaty of Fredrikshamn ending the Finnish War, border between the Grand Duchy of Finland and Sweden.[3]
France–Switzerland
- Saint-Louis - Basel
- 1501 Basel becomes a member of the Swiss Confederation, border between the Habsburg territories and Switzerland.
- 1648 at the Treaty of Westphalia.
- Wentzwiller - Oberwil
- 1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- 1815 at the Congress of Vienna ending the Napoleonic Wars.
- Leymen - Hofstetten-Flüh
- 1515 Swiss Solothurn buys Rotberg from the Rotberg family, border between the Habsburg territories and Switzerland.
- 1648 at the Treaty of Westphalia.
- Lutter - Cholholx
- 1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- 1815 at the congress of Vienna.
- Lutter - Kleinlützel
- 1527 Swiss Solothurn buys Kleinlützel from the monastery of Kleinlützel, border between the Habsburg territories and Switzerland.
- 1648 at the Treaty of Westphalia.
- From Blochmont - Ederswiler to Delle - Buix
- 1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- 1815 at the congress of Vienna.
- Montbéliard–Porrentruy
- 1815 at the congress of Vienna.
- From Vaufrey - Porrentruy to Pontarlier - Fleurier
- 1678/1679 at the Treaty of Nijmegen ending the Franco-Dutch War, border between France and Germany (bishopric of Basel and Neuchâtel).
- 1815 at the congress of Vienna.
- From Les Fourgs - Sainte-Croix to Les Rousses - Saint-Cergue
- 1536 border between Switzerland and Burgundy.
- 1678/1679 at the Treaty of Nijmegen.
- From Gex - Saint-Cergue to Gex - Geneva
- 1536 after Swiss expansion, border between Switzerland and Savoy.
- 1601 after French expansion.
- 1932 borders finally settled.
- Annemasse - Geneva
- 1536 Geneva member of the Swiss Confederation, border between Switzerland and Savoy.
- 1860 Savoy ceded to France by Sardinia-Piemonte.
- Douvain - Geneva
- 1569 Chablais returns to Savoy, border between Switzerland and Savoy.
- 1860 Savoy ceded to France by Sardinia-Piemonte.
- From Thonon-les-Bains - Monthey to Chamonix-Mont-Blanc - Martigny
- 15th/16th century, after Swiss expansion, border between Switzerland and Savoy.
- 1860 Savoy ceded to France by Sardinia-Piemonte.
France–Italy
Astronaut photograph of the France-Italy border at night.
- Chamonix-Mont-Blanc - Courmayeur
- 1860 Savoy ceded to France by Sardinia-Piemonte.
- Bourg-Saint-Maurice - Susa
- 1st millennium, Border between Italy and Burgundy.
- 1860 Savoy ceded to France by Sardinia-Piemonte.
- Briançon - Cesana Torinese
- 1st millennium, Border between Italy and Burgundy.
- 1349 France buys Dauphiné from the heir, border between France and Germany (Savoy and Saluzzo).
- 1860 after Italian unification.
- Barcelonette - Demonte
- 1st millennium, Border between Italy and Burgundy.
- 1481, Provence inherited by the king of France, border between France and Germany (Savoy and Saluzzo).
- 1860 after Italian unification.
- From Isola - Vinadio to Sospel - Camporosso
- 1860 Italian unification and Nice ceded to France.
- Menton - Ventimiglia
- 1860 Italian unification, border between Italy and Mentone.
- 1861 Mentone annexed by France.
France–Monaco
- 1848/1861 Revolt in Monaco's hinterland, France annexes rebel territory.
France–Spain
- From Banyuls-sur-Mer - Llanca to Bourg-Madame - Puigcerdà
- 1659 at the Treaty of the Pyrenees ending the Franco-Spanish War.
- Saint-Girons - Rialp
- 985 France doesn't help its province Barcelona against the Saracens, border between France and Barcelona.
- 1479 Aragon and Castile are unified and become known as Spain.
- From Bagnères-de-Luchon - Vielha to Cauterets - Sallent de Gállego
- 843 at the Treaty of Verdun, border between France and Aragon.
- 1479 Aragon and Castile are unified and become known as Spain.
- Urdos - Canfranc
- 843 at the Treaty of Verdun, border between France and Aragon. (French possession of Béarn was disputed until 1620).
- 1479 Aragon and Castile are unified and become known as Spain.
- Arette - Isaba
- 843 at the Treaty of Verdun, Border between France and Pamplona.
- 1512 Castile (Spain) annexes southern Navarra.
- Saint-Étienne-de-Baïgorry - Baztan
- 1512 Castile (Spain) annexes southern Navarra, border between Castile (Spain) and Lower Navarre.
- 1620 France annexes Lower Navarre.
- Cambo-les-Bains - Baztan
- 843 at the Treaty of Verdun, Border between France and Pamplona.
- 1512 Castile (Spain) annexes southern Navarra.
- Hendaye - Irun
- 843 at the Treaty of Verdun, Border between France and Pamplona.
- 1479 Aragon and Castile are unified and become known as Spain.
France–Germany
- 17th century
- 1871, German unification, Prussia annexes Alsace-Lorraine in the Franco-Prussian War.
- 1919, the Treaty of Versailles returns Alsace-Lorraine to France.
France–Luxembourg
- Esch-sur-Alzette - Villerupt
- Middle Ages, between Luxembourg and Bar.
- 1659 at the Treaty of the Pyrenees, between France and Spain.
- 1839 at the Treaty of London.
- Dudelange - Thionville
- 1659 at the Treaty of the Pyrenees, between France and Spain.
- 1839 at the Treaty of London.
- Schengen - Sierck-les-Bains
- Middle Ages, between Luxembourg and Lorraine.
- 1661 at the Treaty of Vincennes, between France and Spain.
- 1839 at the Treaty of London.
Georgia–Russia
- From Tbilisi - Makhachkala to Kutaisi - Vladikavkaz
- 1991 dissolution of the Soviet Union.
- Kutaisi - Nalchik
- 1001, Georgia acquires Abkhazia, border between Georgia and Alania.
- 1557 Russia conquers Kabardino-Balkaria, border between Russia and the Ottoman Empire.
- 1991 dissolution of the Soviet Union.
- Sukhumi - Cherkessk
- 1001, Georgia acquires Abkhazia, border between Georgia and Alania.
- 1991 dissolution of the Soviet Union.
- Sukhumi - Sochi
- 15th century, border between Georgia and the Ubykhs.
- 1991 dissolution of the Soviet Union.
Germany–Luxembourg
- 1815 at the Treaty of Vienna, between the (united) Netherlands and Prussia (German Confederation).
- 1839 at the Treaty of London, between Luxembourg and Prussia (German Confederation).
Germany–Netherlands
- From Aachen - Vaals to Kleve - Gennep
- 1815 at the Congress of Vienna, between the (united) Netherlands and Prussia (German Confederation).
- From Kranenburg - Groesbeek to Bunde - Nieuweschans
- 1648 at the peace of Westphalia, between the Netherlands and the Holy Roman Empire of the German nation.
Germany–Poland
- 1945 Stalin gives Eastern Germany to Poland, border between Soviet occupied Germany and Poland set at the Oder–Neisse line.
Germany–Switzerland
- Lörrach - Basel
- 1648 at the Treaty of Westphalia.
- From Rheinfelden to Laufenburg
- 1806 at the German Mediatisation (Reichsdeputationshauptschluss), between the Confederation of the Rhine (Germany) and the Republic of Helvetia (Switzerland).
- From Waldshut-Tiengen - Döttingen to the Bodensee
- 1648 at the Treaty of Westphalia.
Greece–North Macedonia
- 1913 at the Treaty of London, border between Greece and Serbia.
Greece–Turkey
- 1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire (Turkey).
- 1923 at the Treaty of Lausanne ending the Greco-Turkish War.
Hungary–Romania
- 1920 at the Treaty of Trianon.
Hungary–Slovakia
- 1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.
Hungary–Serbia
- 1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.
Hungary–Slovenia
- 1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.
- 1991 Slovenian independence.
Hungary–Ukraine
- 1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.
Italy–San Marino
- 1st millennium/1631, border between San Marino and Papal States.
- 1860 Italian nationalists conquer the eastern Papal States.
Italy–Slovenia
- Tarvisio - Kranjska Gora
- 1919 at the Treaty of Saint-Germain, border between Italy and Yugoslavia.
- 1991 Slovenian declaration of independence.
- From Cave del Predil - Strmec na Predelu to Gorizia - Nova Gorica
- 1947 at the Treaty of Paris, border between Italy and Yugoslavia.
- Trieste - Postojna
- 1954 Free state Trieste dissolved, border between Italy and Yugoslavia.
Italy–Switzerland
- Aosta - Martigny
- 1477 Swiss ally Valais conquers Martigny, border between Switzerland and Savoy.
- 1860 Italian unification.
- Valtournenche - Zermatt
- 1416 Valais allies with Switzerland, border between Switzerland and Savoy.
- 1860 Italian unification.
- Domodossola - Brig
- 1st millennium, border between Italy and Burgundy.
- 1416 Valais allies with Switzerland, border between Switzerland and Milan.
- 1860 Italian unification.
- From Domodossola - Locarno to Porlezza - Lugano
- 1512 after Swiss conquest of Milan, border between Switzerland and Milan.
- 1860 Italian unification.
- From Madesimo - Splügen to Livigno - Zernez
- 1st millennium, border between Italy and the Frankish Empire.
- 1497/1498 Grissons allies with Switzerland, border between Switzerland and Milan.
- 1860 Italian unification.
- Taufers im Münstertal - Müstair
- 1497/1498 Grissons allies with Switzerland, border between Switzerland and the Habsburg territories.
- 1919 at the Treaty of Saint-Germain.
Italy–Vatican City
- 1929 Lateran Treaty
Latvia–Lithuania
- 1236 Lithuanian state established, border between Lithuania and other Balts.
- 1918 Lithuanian and Latvian independence.
Lithuania–Belarus
- 1991 Belarusian and Lithuanian independence.
Lithuania–Poland
- 1919 at the Treaty of Versailles.
Liechtenstein–Switzerland
- Vaduz - Igis
- 1497/1498 Grissons allies with Switzerland, border between Switzerland and Brandis.
- 1719 Creation of Liechtenstein.
- Vaduz - Mels
- 1436 Inhabitants of Sargans become citizens of Swiss Zürich, border between Switzerland and Brandis.
- 1719 Creation of Liechtenstein.
- Vaduz - Buchs
- 1485 Swiss Luzern buys Werdenberg, border between Switzerland and Brandis.
- 1719 Creation of Liechtenstein.
- Bendern - Salez
- 1458 Lords of Sax-Forstegg ally with Switzerland, border between Switzerland and Brandis.
- 1719 Creation of Liechtenstein.
Moldova–Romania
Moldova–Ukraine
- 1991 Moldovan and Ukrainian independence.
Montenegro–Serbia
- 1913 at the Treaty of London.
North Macedonia–Serbia
- 1991 Independence for the Republic of Macedonia, border between the Republic of Macedonia and Yugoslavia.
Norway–Russia
- 1326 Novgorod Republic which later Became Russia 1826 borders fixed between Russia and Norway, border between Russia and Sweden-Norway.
Norway–Sweden
- Halden - Uddevalla
- 1658 at the Treaty of Roskilde ending the Second Northern War, border between Sweden and Denmark-Norway.
- From Halden - Mellerud to Hamar - Mora
- 10th and 11th centuries
- From Engerdal - Idre to Trondheim - Storuman
- 1645 at the Treaty of Brömsebro ending the Torstenson War, border between Sweden and Denmark-Norway.
- From Bodø - Storuman to Tromsø - Kiruna
- 16th century, Swedish king decides to use the water flux line between the Atlantic and the Baltic as border between Sweden and Denmark-Norway.
Poland–Slovakia
- 10th/11th century, border between Poland and Hungary.
Poland–Russia
- 1945 Stalin divides German East Prussia, border between Poland and the Soviet Union.
Poland–Ukraine
- From Chełm - Kovel to Przemyśl - Sambir
- 1945 after the annexation of East Poland by Stalin, border between Poland and the Soviet Union.
- 1991 Ukrainian independence.
- Kremenaros-Krzemieniec - Uzhok Pass
- 11th century, border between Poland and Hungary.
- 1991 Ukrainian independence.
Portugal–Spain
- From Faro - Huelva to Portalegre - Cáceres
- 12th/13th century, conquered by Portugal, border between Portugal and León/Castile.
- 1479 Union between Castile and Aragon, the beginning of Spain.
- From Guarda - Salamanca to Braga - Vigo
- 1139 Portugal becomes independent from León-Castile, border between Portugal and León-Castile.
- 1479 Union between Castile and Aragon, the beginning of Spain.
- 1864 Treaty of Lisbon sets border.
Romania–Ukraine
- Sighetu Marmaţiei - Chust
- 1919 at the Treaty of Versailles, border between Romania and Czechoslovakia/Polish or Ukrainian East Galicia.
- 1991 Ukrainian independence.
- Suceava - Chernivtsi
- 1940/1944 border between Romania and the Soviet Union.
- 1991 Ukrainian independence.
- Brăila - Izmayil
- 1878 Romanian annexation of Dobruja, border between Romania and Russia.
- 1991 Ukrainian independence.
Romania–Serbia
- Drobeta-Turnu Severin - Negotin
- 1284 after Serbian conquest, border between Serbia and Hungary.
- 1861 Romanian independence, border between Romania and Ottoman Empire.
- 1878 Serbian independence.
- Anina - Bor
- 1284 after Serbian conquest, border between Serbia and Hungary.
- 1919 at the Treaty of Saint-Germain, border between Romania and Yugoslavia.
- 2006 Serbian self-determination.
- Timișoara - Belgrade
- 1919 at the Treaty of Saint-Germain, border between Romania and Yugoslavia.
- 2006 Serbian self-determination.
Russia–Ukraine
- 1991 dissolution of the Soviet Union.
Slovakia–Ukraine
- 1991 Ukrainian independence, border between Ukraine and Czechoslovakia.
- 1993 Slovakian independence.
Spain–UK
- La Línea de la Concepción - Gibraltar
- 1713 at the Treaty of Utrecht ending the War of the Spanish Succession, border between Spain and Great Britain (United Kingdom).
Asia
Afghanistan–China
- 18th century
Afghanistan–Iran
- 1857 Great Britain establishes the border between Persia (Iran) and Afghanistan after the Iranian defeat during the Anglo-Persian War
Afghanistan–Pakistan
- 1919 Afghanistan becomes independent from the British Empire, border between Afghanistan and the British Empire
- 1947 Pakistan becomes independent from the United Kingdom
Afghanistan–Tajikistan
- 1885 After Russian conquest of Panjdeh, border between Afghanistan and Russia
- 1991 Tajikistani independence
Afghanistan–Turkmenistan
- 1885 After Russian conquest, border between Afghanistan and Russia
- 1991 Turkmenistani independence
Afghanistan–Uzbekistan
- 1885 After Russian conquest, border between Afghanistan and Russia
- 1991 Uzbekistani independence
Armenia–Azerbaijan
- 1991 Armenian and Azerbaijani independence.
Armenia–Georgia
- 1991 Armenian and Georgian independence.
Armenia–Turkey
- 1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- 1991 Armenian independence.
Azerbaijan–Iran
- Lankaran - Ardabil
- 1828 at the Treaty of Turkmenchay, border between Russia and Persia (Iran).
- 1991 Azerbaijani independence.
- Stepanakert - Tabriz
- 1813 at the Treaty of Gulistan ending the Russo-Persian War, border between Russia and Persia (Iran).
- 1991 Azerbaijani independence.
- Nakhchivan - Tabriz
- 1828 at the Treaty of Turkmenchay, border between Russia and Persia (Iran).
- 1991 Azerbaijani independence.
Azerbaijan–Turkey
- 1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- 1991 Azerbaijani independence.
Bangladesh–Burma
- Chittagong–Mandalay
- 1558 Burma conquers Manipur, border between Burma and Arakan
- 1971 Bangladesh becomes independent from Pakistan
- Chittagong–Sittwe
- 1784 Burma conquers Arakan, border between Burma and Great Britain
- 1971 Bangladesh becomes independent from Pakistan
Bangladesh–India
- 1947 Indian independence from the United Kingdom, border between India and Pakistan
- 1971 Bangladesh becomes independent from Pakistan after the Bangladesh Liberation War.
Bhutan–India
- 1616 Bhutan becomes independent from Tibet, border between Bhutan and the Kamata Kingdom
- 1947 Indian independence
Brunei–Malaysia
- 1963 Establishment of Malaysia, border between the British protectorate of Brunei and Malaysia
- 1984 End of the British protectorate
Burma–India
- 1826 Treaty of Yandabo, Border between Burma and the United Kingdom
- 1947 Indian independence, border between India and the United Kingdom
- 1948 Burmese independence
Burma–China
- Myitkyina–Dsayul
- Myitkyina–Baoshan
- 109 BC, China conquers the Dian kingdom, border between China and the Mon people
- 11th century, Pagan establishes Burma, border between Burma and Dali
- 1555 Burma conquers Upper Burma
- 1769 Last Chinese invasion
- From Lashio–Baoshan to Kengtung–Simao
- 109 BC, China conquers the Dian Kingdom, border between China and the Mon people
- 1557 Burma conquers the Shan States
- 1769 Last Chinese invasion
Burma–Thailand
- Kengtung–Chang Mai
- 1557 Pagan (Burma) conquers the Shan states, border between Burma and Chiang Mai
- 1774 Thailand conquers Chiang Mai from Burma
- Rangoon–Chang Mai
- 1530s or 1540s, Burma is established out of several small states, border between Burma and Chiang Mai
- 1774 Thailand conquers Chiang Mai from Burma
- Tavoy–Bangkok
- 1057 Thaton is conquered by Pagan (Burma), border between Pagan (Burma) and the Khmer Empire
- 16th-18th century, Burma conquers the Mon kingdoms
Cambodia–Laos
- 1353 Lan Xang (Laos) becomes independent from the Khmer Empire (Cambodia)
Cambodia–Thailand
- Phnom Penh–Udon Thani
- 1353 Lan Xang (Laos) becomes independent from the Khmer Empire (Cambodia), Border between the Khmer Empire and Lan Xang
- 15th or 16th century, Ayutthaya Kingdom (Thailand) conquers western Lan Xang
- Phnom Penh–Bangkok
- 14th/15th century, Ayutthaya Kingdom (Thailand) conquers the western part of the Khmer Empire (Cambodia)
Cambodia–Vietnam
- 1953 Cambodia becomes independent from France, border between Cambodia and France
- 1975 North Vietnam and South Vietnam are re-unified
China–Laos
- 109 BC, China conquers the Dian Kingdom, border between China and the Mon people
- 1353 Establishment of the kingdom of Lan Xang, border between Lan Xang (Laos) and the Mongolian Empire
- 1381 Ming China conquers Yunnan from Yuan (Mongolian) loyalists
China–Pakistan
- 1963 Trans-Karakoram Treaty
China–India
- Shahidulla Mazar–Leh
- 1984 After Indian offensive against Pakistan on Siachen Glacier at 5,000 meters above sea level, disputed
- Gartog–Leh
- 1962 Disputed, cease fire
- Gartog–Shimla
- 1724 China conquers Tibet from the Dzungars, border between China and the Mughal Empire
- 1947 Indian independence, border between India and Tibet
- 1951 Tibet cedes de facto sovereignty to the People's Republic of China
- Khampa Dsong–Gangtok
- Lhasa–Tinsukia
- 1947 Indian independence, border between India and Tibet
- 1951 Conquest of Tibet by China
China–Kazakhstan
- 1881 at the Treaty of Saint Petersburg, border between China and Russia.
- 1991 Kazakhstani independence.
China–Kyrgyzstan
- 1881 At the Treaty of Saint Petersburg, border between China and Russia
- 1991 Kyrgyzstani independence
China–Mongolia
- 1911 Mongolian independence.
China–North Korea
- 1895/1910 after Japanese conquest, border between China and Japan.
- 1945/1948 North Korean independence.
China–Russia
- From Mudanjiang - Vladivostok to Mohe - Never
- 1858 at the Treaty of Aigun.
- Manzouli - Krasnokamensk
- 1689 at the Treaty of Nerchinsk.
- Altay - Gorno-Altaysk
- 1755, China acquires the Ili-basin, border between China and the Altays.
- 1758, Russia acquires part of the Altay territory.
China–Vietnam
- Malipo–Hanoi
- 1st millennium BC?, border between Văn Lang (Vietnam) and the Dian Kingdom
- 938, Vietnam becomes independent from China
- Nanning–Hanoi
- 1st millennium BC?, border of Văn Lang (Vietnam)
- 214 BC, China conquers Guangxi
East Timor–Indonesia
- 1949 Indonesia becomes independent from the Netherlands, border between Indonesia and Portugal
- 2002 East Timor becomes independent from Indonesia
Egypt–Israel
- 1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- 1948 Israeli independence
Egypt–Palestine (Gaza)
- 1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- 1988 Palestine declaration, Egyptian withdrawal from Gaza
- 1977 Egyptian recognition of Israel
Georgia–Turkey
- 1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- 1991 Georgian independence.
India–Nepal
- Siliguri–Kathmandu
- 1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire
- 1947 Indian independence from the United Kingdom
- Patna–Kathmandu
- 1768 The king of Gorkha unites all Nepalese kingdoms into one, border between Nepal and Great Britain
- 1947 Indian independence from the United Kingdom
- Gorakhpur–Kathmandu
- 1768 The king of Gorkha unites all Nepalese kingdoms into one, border between Nepal and the Mughal Empire
- 1947 Indian independence from the United Kingdom
- Delhi–Kathmandu
- 1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire
- 1947 Indian independence from the United Kingdom
India–Pakistan
- Siachen Glacier
- 1984 After Indian offensive on a glacier at 5,000 meters above sea level
- From Srinagar–Skardu to Ahmedabad–Karachi
- 1947 Independence of India and Pakistan from the United Kingdom and cease fire line of the war between India and Pakistan
Indonesia–Malaysia
- 1949 Indonesia becomes independent from the Netherlands, border between Indonesia and the United Kingdom
- 1963 Establishment of Malaysia
Iran–Iraq
- 16th century, border between Persia (Iran) and the Ottoman Empire
- 1932 Iraqi independence
Iran–Pakistan
- 1872 Border agreement between Persia (Iran) and the British Empire
- 1947 Pakistan becomes independent from the United Kingdom
Iran–Turkey
- 16th century, border between Persia (Iran) and the Ottoman Empire (Turkey).
Iran–Turkmenistan
- 1885 After Russian conquest of Merv, border between Iran and Russia
- 1991 Turkmenistani independence
Iraq–Jordan
- 1932 Iraqi independence, border between Iraq and the British League of Nations mandate of Palestine
- 1946 Jordanian independence
Iraq–Kuwait
- 1932 Iraqi independence, border between Iraq and the British protectorate of Kuwait
- 1961 Kuwaiti independence
Iraq–Syria
- 1932 Iraqi independence, border between Iraq and the French League of Nations mandate of Syria
- 1944 Syrian independence
Iraq–Turkey
- 1923 at the Treaty of Lausanne, border between Turkey and the British League of Nations mandate of Iraq.
- 1932 Iraqi independence.
Israel–Syria
- 1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine
- 1948 Israeli independence
Israel-Palestine (West Bank, East Jerusalem)
- 1988 palestine Declaration of Independence
- 1993 Oslo Accords between Israel and Palestine (PLO)
- 1948 Israel independence
Israel–Jordan
- Hefa–Irbid
- 1047 BC, border between Israel and Aram Damascus
- 1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine
- 1948 Israeli independence
- From Beersheba–Ma'an to Eilat–Al-'Aqabah
- 1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine
- 1948 Israeli independence
Jordan–Syria
- 1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine
- 1946 Jordanian independence
Jordan-Palestine(West bank)
- 1988 Jordanian withdrawal from West Bank, Palestinian independence declaration
- 1946 Jordanian independence
- 1994 Jordanian recognition of israel
Kazakhstan–Kyrgyzstan
- 1991 Kazakhstani and Kyrgyzstani independence.
Kazakhstan–Russia
- 1991 dissolution of the Soviet Union.
Kazakhstan–Turkmenistan
- 1991 Kazakhstani and Turkmenistani independence.
Kazakhstan–Uzbekistan
- 1991 Kazakhstani and Uzbekistani independence.
Kuwait–Saudi Arabia
Kyrgyzstan–Tajikistan
- 1991 Kyrgyzstani and Tajikistani independence
Kyrgyzstan–Uzbekistan
- 1991 Kyrgyzstani and Uzbekistani independence
Laos–Burma
- 1353 Establishment of Lan Xang (Laos), border between Lan Xang and the Shan states
- 1557 Burma conquers the Shan States
Laos–Thailand
- Luang Prabang–Chiang Mai
- 1353 Establishment of Lan Xang (Laos), border between Lan Xang (Laos) and Lanna
- 1774 Lanna is conquered by Thailand, border between Thailand and Luang Prabang
- 1954 Laos becomes independent from France
- Vientiane–Nakhon Ratchasima
- 1893 France conquers Vientiane from Thailand, border between Thailand and France
- 1954 Laos becomes independent from France
Laos–Vietnam
- Phong Saly–Lai Châu
- 1st millennium BC, border between Văn Lang (Vietnam) and the Mon people
- 1353 Establishment of Lan Xang (Laos)
- Luang Prabang–Hanoi
- 938 Vietnamese independence from China, border between Vietnam and the Tai
- 1353 Establishment of Lan Xang (Laos)
- Vientiane–Xa-doai
- 938 Vietnamese independence from China, border between Vietnam and the Khmer Empire
- 1353 Establishment of Lan Xang (Laos)
- Chamrap–Ða Nang
Lebanon–Syria
- 1941/1943 Lebanese independence, border between Lebanon and the French League of Nations mandate of Syria
- 1944 Syrian independence
Lebanon–Israel
- 1941/1943 Lebanese independence, border between Lebanon and the British League of Nations mandate of Palestine
- 1948 Israeli independence
Malaysia–Singapore
- 1965 Singapore becomes independent from Malaysia (land connection via causeways)
Malaysia–Thailand
- 1909 Treaty of Bangkok, border between Thailand and the British Empire
- 1963 Establishment of Malaysia
Mongolia–Russia
- From Choibalsan - Krasnokamensk to Mörön - Tulun
- 1727 at the Treaty of Kyakhta, border between Russia and China.
- 1911 Mongolian independence.
- From Mörön - Kyzyl to Ulaangom - Kyzyl
- 1912/1944 Russia annexes Tuva.
- Ölgij - Gorno-Altaysk
- 1758, Russia acquires part of the Altay territory, border between China and Russia.
- 1911 Mongolian independence.
North Korea–South Korea
- 1953 after ceasefire.
North Korea–Russia
- 1858 at the Treaty of Aigun, border between Russia and China.
- 1948 Creation of North Korea, border between North Korea and the Soviet Union.
- 1991 Russian self-determination.
Oman–Saudi Arabia
- 1990 Border agreement
Oman–United Arab Emirates
- Khasab–Dubai
- 1971 The United Arab Emirates and Oman become independent from the United Kingdom
- Shinas–Dubai
- 1971 The United Arab Emirates and Oman become independent from the United Kingdom
- Al Buraymi–Abu Zabi
- 1971 The United Arab Emirates and Oman become independent from the United Kingdom
- 1999 Border dispute on Al-Buraymi resolved
Oman–Yemen
- 1971 Omani independence, border between Oman and South Yemen
- 1990 North Yemen and South Yemen are unified
- 1992 Border dispute between Oman and Yemen settled about Habarut
Saudi Arabia–Qatar
- 2009 Signed at the UN headquarters
Saudi Arabia–United Arab Emirates
- 1974 Treaty of Jeddah, disputed
Syria–Turkey
- From Nusaybin - Cizre to Aleppo - Gaziantep
- 1923 at the Treaty of Lausanne, border between Turkey and the French League of Nations mandate of Syria.
- 1944 Syrian independence.
- Aleppo - Antakya
- 1939 after referendum, border between Turkey and the French League of Nations mandate of Syria.
- 1944 Syrian independence.
Tajikistan–Uzbekistan
- 1991 Tajikistani and Uzbekistani independence
Turkmenistan–Uzbekistan
- 1991 Turkmenistani and Uzbekistani independence
Oceania
Indonesia–Papua New Guinea
- 1969 The Netherlands cedes Papua to Indonesia, border between Indonesia and Australia
- 1975 Papua New Guinea becomes independent from Australia
Africa
Algeria–Libya
- 1951 Libya becomes independent, border between Libya and France
- 1962 Algeria becomes independent
Algeria–Mali
- 1960 Mali becomes independent, border between Mali and France
- 1962 Algeria becomes independent
Algeria–Mauritania
- 1960 Mauritania becomes independent, border between Mauritania and France
- 1962 Algeria becomes independent
Algeria–Morocco
- Tlemcen–Oujda
- 1554 Morocco is established after a merger of small states, border between Morocco and the Ottoman Empire
- 1710 Algiers (Algeria) becomes independent
- Béchar–Casablanca
- 1844 Border between France and Morocco established after a war
- 1962 Algerian independence, border is disputed
Algeria–Niger
- 1960 Niger becomes independent, border between Niger and France
- 1962 Algeria becomes independent
Algeria–Tunisia
- 1529 Tunis (Tunisia) loses Constantine to the Ottoman Empire, border between Tunis and the Ottoman Empire
- 1710 Algiers (Algeria) becomes independent
Angola–Democratic Republic of the Congo
- 1960 Congolese independence, border between Congo-Léopoldville (DRC) and Portugal
- 1975 Angola becomes independent
Angola–Namibia
- 1975 Angola becomes independent, border between Angola and South Africa
- 1990 Namibia becomes independent
Angola–Republic of the Congo
- 1960 Congolese independence, border between Congo-Brazzaville (RC) and Portugal
- 1975 Angola becomes independent
Angola–Zambia
- 1964 Zambia becomes independent, border between Zambia and Portugal
- 1975 Angola becomes independent
Benin–Burkina Faso
- 1960 Independence for Benin and Burkina Faso
Benin–Niger
- 1960 Independence for Benin and Niger
Benin–Nigeria
- 1960 Independence for Benin and Nigeria
Burkina Faso–Togo
- 1960 Independence for Burkina Faso and Togo
Burkina Faso–Ghana
- 1957 Ghana becomes independent, border between Ghana and France
- 1960 Togo becomes independent
Burkina Faso–Côte d'Ivoire
- 1960 Independence for Burkina Faso and Côte d'Ivoire
Burkina Faso–Mali
- 1960 Independence for Burkina Faso and Mali
Burkina Faso–Niger
- 1960 Independence for Burkina Faso and Niger
Botswana–South Africa
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1966 Botswana becomes independent
Botswana–Zimbabwe
- 1966 Botswana becomes independent, border between Botswana and Rhodesia
- 1980 Zimbabwe becomes independent
Botswana–Namibia
- 1966 Botswana becomes independent, border between Botswana and South Africa
- 1990 Namibia becomes independent
Burundi–Democratic Republic of the Congo
- 16th century, Establishment of Burundi, border of Burundi
- 1960 Congolese independence, border between Congo-Léopoldville (DRC) and Belgium
- 1962 Burundi becomes independent
Burundi–Rwanda
- 2nd Millennium, Establishment of Burundi and Rwanda
- 1962 Burundi and Rwanda become independent from Belgium
Burundi–Tanzania
- 16th century, Establishment of Burundi, border of Burundi
- 1962 Burundi becomes independent, border between Burundi and Tanganyika
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Cameroon–Central African Republic
- 1960 Independence for Cameroon and the Central African Republic
Cameroon–Republic of the Congo
- 1960 Independence for Cameroon and Congo-Brazzaville (RC)
Central African Republic–Republic of the Congo
- 1960 Central African and Congolese independence
Central African Republic–Democratic Republic of the Congo
- 1960 Central African and Congolese independence
Central African Republic–Chad
- 1960 Independence for the Central African Republic and Chad
Cameroon–Gabon
- 1960 Independence for Cameroon and Gabon
Cameroon–Equatorial Guinea
- 1960 Cameroon becomes independent, border between Cameroon and Spain
- 1968 Equatorial Guinea becomes independent
Cameroon–Chad
- 1960 Independence for Cameroon and Chad
Cameroon–Nigeria
- Garoua–Maiduguri
- 1960 Cameroon becomes independent, border between Cameroon and the British United Nations mandate of Cameroons
- 1961 Northern Cameroons votes to become part of Nigeria
- Bamenda–Yola
- 1961 After a referendum it is decided that Northern Cameroons becomes part of Nigeria and Southern Cameroons part of Cameroon
- Douala–Calabar
- 1960 Nigerian independence, border between Nigeria and the British United Nations mandate of Cameroons
- 1961 Southern Cameroons votes to become part of Cameroon
Chad–Libya
- 1951 Libya becomes independent, border between Libya and France
- 1960 Chad becomes independent
Chad–Niger
- 1960 Independence for Chad and Niger
Chad–Nigeria
- 1980s, Lake Chad nearly dried up, border of Chad and Nigeria becomes a land border
Central African Republic–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France
- 1960 The Central African Republic becomes independent
Chad–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France
- 1960 Chad becomes independent
Côte d'Ivoire–Mali
- 1960 Independence for Côte d'Ivoire and Mali
Côte d'Ivoire–Guinea
- 1958 Guinea becomes independent, border between Guinea and France
- 1960 Côte d'Ivoire becomes independent
Côte d'Ivoire–Liberia
- San Pédro–Harper
- 1857 The Republic of Maryland joins Liberia, border of Liberia
- 1960 Côte d'Ivoire becomes independent
- Man–Zwedru
- 1892 Border agreement between Liberia and France
- 1960 Côte d'Ivoire becomes independent
Democratic Republic of the Congo–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Belgium
- 1960 Congolese independence
Democratic Republic of the Congo–Republic of the Congo
- 1960 Independence for both Congo's, both named Republic of the Congo at the time
Democratic Republic of the Congo–Rwanda
- 2nd Millennium, Establishment of Rwanda, border of Rwanda
- 1960 Congolese independence, border between Congo-Léopoldville (DRC) and Belgium
- 1962 Rwanda becomes independent
Democratic Republic of the Congo–Uganda
- 1960 Congolese independence, border between Congo-Léopoldville (DRC) and the United Kingdom
- 1962 Uganda becomes independent
Democratic Republic of the Congo–Zambia
- 1960 Congolese independence, border between Congo-Léopoldville (DRC) and the United Kingdom
- 1964 Zambia becomes independent
Djibouti–Eritrea
- 1977 Djibouti becomes independent, border between Djibouti and Ethiopia
- 1991 Eritrean independence
Djibouti–Ethiopia
- 1897 Border established between Abyssinia (Ethiopia) and France
- 1977 Djibouti becomes independent
Djibouti–Somalia
- 1960 Somalian independence, border between Somalia and France
- 1977 Djibouti becomes independent
Egypt–Libya
- 1922 Egyptian independence, border between Egypt and Italy (Italian Libya)
- 1951 Libyan independence
Egypt–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt
Equatorial Guinea–Gabon
- 1960 Gabon becomes independent, border between Gabon and Spain
- 1968 Equatorial Guinea becomes independent
Eritrea–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia
- 1991 Eritrean independence
Eritrea–Ethiopia
- 1900/1902/1908 Border established between Abyssinia (Ethiopia) and Italy
- 1991 Eritrean independence after the Ethiopian Civil War
Ethiopia–Kenya
- 1907 Border agreement between Abyssinia (Ethiopia) and the British Empire
- 1963 Kenya becomes independent
Ethiopia–Sudan
- 1902 Border between Abyssinia (Ethiopia) and the United Kingdom established
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia
Ethiopia–Somalia
- Harar–Hargeysa
- 1897 Anglo-Egyptian Treaty, border between Abyssinia (Ethiopia) and the British Empire
- 1960 Somalian independence
- Adis Abeba–Muqdisho
- 1897 Border agreement between Abyssinia (Ethiopia) and Italy
- 1960 Somalian independence
Gabon–Republic of the Congo
- 1960 Independence for Gabon and Congo-Brazzaville (RC)
The Gambia–Senegal
- 1960 Senegal becomes independent, border between Senegal and the United Kingdom
- 1965 The Gambia becomes independent
Ghana–Togo
- 1957 Ghana becomes independent, border between Ghana and the French United Nations mandate of Togoland
- 1960 Togo becomes independent
Ghana–Côte d'Ivoire
- 1957 Ghana becomes independent, border between Ghana and France
- 1960 Côte d'Ivoire becomes independent
Guinea–Liberia
- 1892 Border agreement between Liberia and France
- 1958 Guinea becomes independent
Guinea–Sierra Leone
- 1958 Guinea becomes independent, border between Guinea and the United Kingdom
- 1961 Sierra Leone becomes independent
Guinea–Mali
- 1958 Guinea becomes independent, border between Guinea and France
- 1960 Mali becomes independent
Guinea–Senegal
- 1958 Guinea becomes independent, border between Guinea and France
- 1960 Senegal becomes independent
Guinea–Guinea-Bissau
- 1958 Guinea becomes independent, border between Guinea and Portugal
- 1973/1974 Guinea-Bissau becomes independent
Guinea–Bissau-Senegal
- 1960 Senegal becomes independent, border between Senegal and Portugal
- 1973/1974 Guinea-Bissau becomes independent
Kenya–Sudan
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom
- 1963 Kenya becomes independent
Kenya–Somalia
- 1960 Somalian independence, border between Somalia and the United Kingdom
- 1963 Kenya becomes independent
Kenya–Uganda
- 1962 Uganda becomes independent, border between Uganda and the United Kingdom
- 1963 Kenya becomes independent
Kenya–Tanzania
- 1963 Kenya becomes independent, border between Kenya and Tanganyika
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Lesotho–South Africa
- Maseru–Pietermaritzburg
- 1822 Establishment of Basutoland (Lesotho), border between Basutoland and the Zulu Kingdom
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1966 Lesotho becomes independent.
- Maseru–East London
- 1822 Establishment of Basutoland (Lesotho), border between Basutoland and the Xhosa
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1966 Lesotho becomes independent
- Maseru–Bloemfontein
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1966 Lesotho becomes independent
Libya–Niger
- 1951 Libyan independence, border between Libya and France
- 1960 Niger becomes independent
Libya–Sudan
- 1951 Libyan independence, border between Libya and the United Kingdom
- 1956 Sudanese independence from the United Kingdom and Egypt
Libya–Tunisia
- 1321 Tripolitania becomes independent from Tunis (Tunisia), border between Tripolitania and Tunis
- 1951 Libya becomes independent, border between Libya and France
- 1956 Tunisia becomes independent
Liberia–Sierra Leone
- Robertsport–Freetown
- 1847 Liberia becomes independent from the United States, border of Liberia
- 1961 Sierra Leone becomes independent
- Voinjama–Koidu
- 1885 Border agreement between Liberia and the British Empire
- 1961 Sierra Leone becomes independent
Mali–Senegal
- 1960 Independence for Mali and Senegal
Mali–Mauritania
- 1960 Independence for Mali and Mauritania
Malawi–Mozambique
- 1964 Malawi becomes independent, border between Malawi and Portugal
Mali–Niger
- 1960 Independence for Mali and Niger
Malawi–Tanzania
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar and the independence of Malawi
Malawi–Zambia
- 1964 Malawi and Zambia becomes independent
Mauritania–Senegal
- 1960 Independence for Mauritania and Senegal
Mozambique–South Africa
- 1931 South Africa becomes independent, border between South Africa and Portugal
- 1975 Mozambique becomes independent from the Portuguese Empire.
Mozambique–Swaziland
- 1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border between Swaziland and Portugal
- 1975 Mozambique becomes independent
Mozambique–Tanzania
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar, border between Tanzania and Portugal
- Mozambique becomes independent
Mozambique–Zambia
- 1964 Zambia becomes independent, border between Zambia and Portugal
- 1975 Mozambique becomes independent
Mozambique–Zimbabwe
- 1975 Mozambique becomes independent, border between Mozambique and Rhodesia
- 1980 Zimbabwe becomes independent
Namibia–Zambia
- 1964 Zambia becomes independent, border between Zambia and South Africa
- 1990 Namibia becomes independent
Namibia–South Africa
- 1990 Namibia becomes independent from South Africa
Niger–Nigeria
- 1960 Independence for Niger and Nigeria
Rwanda–Tanzania
- 2nd Millennium, Establishment of Rwanda, border of Rwanda
- 1962 Rwanda becomes independent, border between Rwanda and Tanganyika
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Rwanda–Uganda
- 2nd Millennium, Establishment of Rwanda, border of Rwanda
- 1962 Independence of Rwanda and Uganda
Sudan–Uganda
- 1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom
- 1962 Uganda becomes independent
South Africa–Eswatini
- 1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border of Swaziland
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1968 Swaziland becomes independent
South Africa–Zimbabwe
- 1931 South Africa becomes independent, border between South Africa and the United Kingdom
- 1980 Zimbabwe becomes independent
Tanzania–Uganda
- 1962 Uganda becomes independent, border between Uganda and Tanganyika
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Tanzania–Zambia
- 1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar and the independence of Zambia
Zambia–Zimbabwe
- 1964 Zambia becomes independent, border between Zambia and the United Kingdom
- 1980 Zimbabwe becomes independent
North America
Belize–Guatemala
- 1840 Guatemala becomes independent from Central America, border between Guatemala and the United Kingdom
- 1981 Belize becomes independent
Belize–Mexico
- 1821 Mexico becomes independent from the Spanish Empire, border between Mexico and the United Kingdom
- 1981 Belize becomes independent
Canada–United States
- Saint John–Bangor
- 1783 At the Treaty of Paris ending the American Revolutionary War, border between the United States and Great Britain
- Edmundston–Presque Isle
- 1842 At the Webster–Ashburton Treaty ending the Aroostook War, border between the United States and the United Kingdom
- From Montréal–Boston to Thunder Bay–Minneapolis
- 1783 At the Treaty of Paris, border between the United States and Great Britain
- From Winnipeg–Grand Forks to Calgary–Great Falls
- 1818 At the Treaty of 1818, border between the United States and the United Kingdom
- Vancouver–Seattle
- 1846 At the Oregon Treaty, border between the United States and the United Kingdom
- Whitehorse–Juneau
- 1903 At the Hay–Herbert Treaty, border between the United States and the British Empire
- From Whitehorse–Anchorage to Inuvik–Prudhoe Bay
- 1867 Alaska Purchase, border between the United States and the United Kingdom
Costa–Rica-Panama
- 1838 Costa Rica becomes independent, border between Colombia and Costa Rica
- 1903 Panama becomes independent
Costa Rica–Nicaragua
- 1838 Costa Rica and Nicaragua become independent
Dominican Republic–Haiti
- 1804 Haiti becomes independent from the French Empire, border between Haiti and France
- 1821/1844 The Dominican Republic becomes independent from Haiti
El Salvador–Guatemala
- 1840 El Salvador and Guatemala become independent
El Salvador–Honduras
- 1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America
- 1840 El Salvador established after the dissolution of the Federal Republic of Central America
France–Netherlands
- 1648 France and the Netherlands divide Saint Martin.
Guatemala–Honduras
- 1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America
Guatemala–Mexico
- 1821 Mexico becomes independent, border between Mexico and the Federal Republic of Central America
- 1840 Guatemala becomes independent
Honduras–Nicaragua
- 1838 Nicaragua becomes independent from the Federal Republic of Central America, border between Nicaragua and the Federal Republic of Central America
- 1839 Honduras becomes independent
Mexico–United States
- From Matamoros–Corpus Christi to Juárez–El Paso
- 1848 At the Treaty of Guadalupe Hidalgo ending the Mexican-American War.
- Hermosillo–Phoenix
- 1853 Gadsden Purchase
- Tijuana–San Diego
- 1848 At the Treaty of Guadalupe Hidalgo
South America
Continental South America's Border Changes over time
Argentina–Brazil
- Puerto Iguazú–Foz do Iguaçu
- 1814 Misiones is claimed by Argentina, border between Argentina and Portugal
- Posadas–Pato Branco
- 1927 Border between Argentina and Brazil is settled
- Posadas–Porto Alegre
- 1814 Misiones is claimed by Argentina, border between Argentina and Portugal
- Corrientes–Santa Maria
- 1820 After the division of the territory of the Liga Federal, border between the United Provinces of South America (Argentina) and Portugal
Argentina–Bolivia
- 1825 Bolivian independence from the United Provinces of South America
- 1925 Final border Treaty
Argentina–Chile
- Salta–Antofagasta
- 1884 Chile conquers the Bolivian Antofagasta Region
- 1899 Border settled
- Mendoza–Santiago de Chile
- 1810 The United Provinces of South America (Argentina) becomes independent, border between Argentina and Spain
- 1818 Chile becomes independent with help from Argentina
- From Comodoro Rivadavia–Coihaique to Ushuaia–Punta Arenas
Argentina–Paraguay
- 1870 Border established after the Paraguayan War
Argentina–Uruguay
- 1820 Liga Federal is dissolved and the United Provinces of South America annexes the western provinces, creating today's border
- 1821 The remainder of Liga Federal is annexed by the United Kingdom of Portugal, Brazil and the Algarves
- 1825 Uruguay declares independence
- 1828 Uruguayan independence is recognized
Bolivia–Brazil
- La Paz–Rio Branco
- 1903 Treaty of Petropolis, Bolivia cedes Acre to Brazil
- Riberalta–Bom Comérico
- 1867 Bolivia cells northern Acre to Brazil
- La Paz–Porto Velho
- 1822 Brazilian independence, border between Brazil and Spain
- 1825 Bolivian independence
- Santa Cruz–Cuiabá
- 1867 Bolivia cells parts of eastern Bolivia to Brazil
- 1927 Final border Treaty
Bolivia–Chile
- Julaca–Antofagasta
- 1884 Chile conquers the Bolivian Antofagasta Region
- La Paz–Arica
- 1825 Bolivian independence, border between Bolivia and Peru
- 1880 Arica is conquered by Chile
Bolivia–Paraguay
- 1938 Chaco War ends with a truce, the current border created
- 2009 A final Treaty is signed to clearly mark the border
Bolivia–Peru
Brazil–Colombia
- 1907 Treaty of Bogotá, Brazil and Colombia agree on most of the border
- 1928 The Tratado de Límites y Navegación Fluvial is signed, settling the border
Brazil–France
- 1713 The Treaty of Utrecht creates a border between France and Portugal.
- 1822 Brazil obtains independence
Brazil–Guyana
- Santarém–Georgetown
- 1822 Brazilian independence, border between Brazil and the United Kingdom
- 1966 Guyana becomes independent
- Boa Vista–Georgetown
- 1904 Italy arbiters in a border dispute, border between Brazil and the British Empire
- 1966 Guyana becomes independent
- Boa Vista–Imbaimadai
- 1822 Brazilian independence, border between Brazil and the United Kingdom
- 1966 Guyana becomes independent
Brazil–Paraguay
- Campo Grande–Forte Olimpo
- 1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil, border between Brazil and the disputed Chaco area, claimed by both Bolivia and Paraguay
- 1935 After the Chaco War
- Campo Grande–Asunción
- 1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil
- Cascavel–Asunción
- 1811 Paraguay becomes independent, border between Paraguay and Portugal
- 1822 Brazilian independence
Brazil–Peru
- Eirunepé–Iquitos
- 1851 Border agreement
- Rio Branco–Lima
- 1909 Border agreement
Brazil–Suriname
- 1906 Border between Brazil and the Netherlands defined in the Treaty of Limits
- 1975 Suriname obtains independence
Brazil–Uruguay
- 1825 Uruguay declares independence
- 1828 Uruguay's independence is accepted by Brazil
Brazil–Venezuela
- 1777 First Treaty of San Ildefonso is signed designating the border between Spain and Portugal
- 1819 Gran Colombia becomes independent
- 1822 Brazilian becomes independent
- 1830 Venezuela becomes independent
Colombia–Ecuador
- 1830 Ecuador becomes independent from Colombia
- 1916 Final border Treaty
Colombia–Panama
- 1903 Panama becomes independent from Colombia
Colombia–Peru
- 1922 Border agreement between Colombia and Peru, territory disputed with Ecuador
- 1942 Ecuador loses a war versus Peru
Colombia–Venezuela
- 1830 Venezuela becomes independent from Colombia
Ecuador–Peru
- Quito–Iquitos
- 1942 After the Ecuadorian–Peruvian War, disputed
- Cuenca–Sullana
- 1830 Ecuador becomes independent, disputed
France–Suriname
- 17th century, border between France and the Netherlands.
- 1975 Surinamese independence.
Guyana–Suriname
- Georgetown–Paramaribo
- 1966 Guyana becomes independent, border between Guyana and the Netherlands
- 1975 Suriname becomes independent
- Joli–Majoli
- 1966 Guyana becomes independent, border between Guyana and the Netherlands
- 1975 Suriname becomes independent, disputed
Guyana–Venezuela
- 1899 Border settled between Venezuela and the British Empire
- 1966 Guyana becomes independent, border disputed
Borders of Territories with special status
Hong Kong–China
- Boundary Street
- 1860 China under the Qing Dynasty ceded Kowloon Peninsula to the British crown colony of Hong Kong
- Sham Chun River, Sha Tau Kok River and Pak Kung Au
- 1898 China under Ch'ing Dynasty leased the New Territories to the United Kingdom until 1997, and was added to the crown colony of Hong Kong
- Dongjiaotou
- 2007 The Central People's Government of the People's Republic of China leased an area in Dongjiaotou for Hong Kong, one of PRC's special administrative regions, to establish a boundary checkpoint across the Deep Bay / Shenzhen Bay.
Algeria–Western Sahara
- 1962 Algeria becomes independent, border between Algeria and Spain
- 1975 Western Sahara becomes independent and is mostly occupied by Morocco
Mauritania–Western Sahara
- 1960 Mauritania becomes independent, border between Mauritania and Spain
- 1975 Western Sahara becomes independent and is mostly occupied by Morocco
Morocco–Western Sahara
- 1884 Berlin Conference, Spain gains Western Sahara and subsequently occupies the territory, border between Morocco and Spain
Egypt–Palestinian Territories
- 1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- 2005 Israel evacuates the Gaza Strip
Jordan–Palestinian Territories
- 1967 Israel conquers the West Bank, border between Jordan and Israel
References
- http://www.ancientpages.com/2016/05/07/day-history-independence-greece-recognized-treaty-london-may-7-1832/
- http://www.andorramania.com/histoire_gb.htm
- "Finland". World Statesmen. Retrieved 31 August 2015.
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