320s

The 320s decade ran from January 1, 320, to December 31, 329.

Millennium:	1st millennium
Centuries:	3rd century 4th century 5th century
Decades:	300s 310s 320s 330s 340s
Years:	320 321 322 323 324 325 326 327 328 329
Categories:	Births Deaths Establishments Disestablishments

Events

320

By place

Roman Empire

• Crispus, eldest son of Constantine I, leads a victorious campaign against the Franks, assuring twenty years of peace along the Rhine frontier. He establishes his residence in Augusta Treverorum (modern Trier), capital of Germania.
• Licinius reneges on the religious freedom promised by the Edict of Milan, and begins a new persecution of Christians in the Eastern Roman Empire. He imprisons Christians, confiscates their properties and destroys churches.

Asia

• King Chandragupta I founds the Gupta dynasty in northern India.
• Zhang Shi (張寔), Zhang Duke of Xiping and governor of Liang Province, (涼州)is assassinated by Yan She (閻涉) and Zhao Ang (趙卬) and replaced by Zhang Mao (張茂), commonly accepted first ruler of the Chinese state Former Liang.

By topic

Art

• Construction begins on the Old St. Peter's Basilica, Rome (approximate date).

Culture and Religion

• In Nydam Mose (Denmark), the Nydam oak boat is sacrificed by the Danes (the boat is excavated in the 1830s, when a local farmer finds weapons, including swords and spears).
• December 25 is introduced as the birthday of Jesus.

Science

• October 18 – Pappus of Alexandria, Greek philosopher, observes an eclipse of the sun and writes a commentary on The Great Astronomer (Almagest).

== {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}} == {{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<10|a}}}} == {{trim|{{transcluded section|{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}}} {{#section-h::{{dr|y|y|{{{year}}}0|{{{1}}}|n{{#ifexpr:{{{year}}}<100|a}}}}|Events}}}}

Significant people

• Constantine I

== {{ucfirst:{{{1}}}}} == {{preprocess|{{((}}transcluding articles {{!}} {{#ifeq:{{{decade}}}|0|{{void|There is no AD year 0}}|{{Year article|{{{decade}}}0}}}} {{!}} {{for loop|{{!}}|call=Year article|pc1n=1|pc1v={{{decade}}}0|pv=2|1|2|3|4|5|6|7|8|9}} {{))}}}} {{#ifeq:{{{decade}}}|0|{{void|There is no AD year 0}}| {{Transclude {{{1}}}|{{{decade}}}0}} }} {{for loop| |call=Transclude {{{1}}}|{{{decade}}}1|{{{decade}}}2|{{{decade}}}3|{{{decade}}}4|{{{decade}}}5|{{{decade}}}6|{{{decade}}}7|{{{decade}}}8|{{{decade}}}9}} == {{ucfirst:{{{1}}}}} == {{preprocess|{{((}}transcluding articles {{!}} {{#ifeq:{{{decade}}}|0|{{void|There is no AD year 0}}|{{Year article|{{{decade}}}0}}}} {{!}} {{for loop|{{!}}|call=Year article|pc1n=1|pc1v={{{decade}}}0|pv=2|1|2|3|4|5|6|7|8|9}} {{))}}}} {{#ifeq:{{{decade}}}|0|{{void|There is no AD year 0}}| {{Transclude {{{1}}}|{{{decade}}}0}} }} {{for loop| |call=Transclude {{{1}}}|{{{decade}}}1|{{{decade}}}2|{{{decade}}}3|{{{decade}}}4|{{{decade}}}5|{{{decade}}}6|{{{decade}}}7|{{{decade}}}8|{{{decade}}}9}}

References