Defense line
Defense line or fortification line is a geographically-recognizable line of troops and armament, fortified and set up to protect a high-value location or defend territory during an armed conflict.
The Victoria Lines, a line of fortification in Malta built to divide the sparsely populated north of the island from the densely populated south
A defense line may be based on natural difficult terrain features, such as rivers or marshes, mountain ranges, or coastlines; temporary field fortification works such as trenches; and more permanent fortifications such as fortresses and bunkers.
List of defense lines
Some notable defense lines include:
Historical[lower-alpha 1]
- Great Wall of China, China
- Sassanian defense lines
- Great Wall of Gorgan, Persia
- Derbent Walls
- Median Wall (before 401 BC)
- Limes Germanicus, Germany
- Hadrian's Wall, United Kingdom (122)
- Antonine Wall, United Kingdom (142)
- Western Russian fortresses, Russia
- Civil War Defenses of Washington, United States
- Victoria Lines, Malta (1875)
- Hindenburg Line, France (1916)
- Maginot Line, France (1929)
- Schuster Line, Luxembourg
- Metaxas Line, Greece (1936-1941)
- Mannerheim Line, Finland (1939–1940)
- K-W Line, Belgium (1939)
- Siegfried Line, Germany
- Gothic Line, Italy
- Winter Line (Gustav, Bernhardt and Hitler Lines), Italy
- Panther–Wotan line, Russia (1943)
- McNamara Line, South Vietnam (1966)
- Bar Lev Line, Sinai Peninsula (1973)
Modern
- Russia–Ukraine barrier, Ukraine
- Muhamalai FDL, Sri Lanka
- Nagarcoil FDL, Sri Lanka
Notes
- Where given, dates in parentheses indicate when construction began.
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