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

Millennium: 1st millennium
Centuries:
Decades:
Years:
Categories:

Events

320

By placeEdit

Roman EmpireEdit
AsiaEdit

By topicEdit

ArtEdit
Culture and ReligionEdit
ScienceEdit

321

By topicEdit

Roman EmpireEdit
  • Emperor Constantine I expels the Goths from the Danube frontier and repairs Trajan's Bridge. He leads an expedition into the old province Dacia (modern Romania) and makes peace with the barbarians.
  • March 7 - Constantine I signs legislation directing urban residents to refrain from work, and businesses to be closed, on the "venerable day of the Sun". An exception is made for agriculture.
AsiaEdit

By topicEdit

Arts and sciencesEdit
Food and drinkEdit
  • Constantine I assigns convicts to grind Rome's flour, in a move to hold back the rising price of food in an empire whose population has shrunk as a result of plague (see 309 AD).
ReligionEdit

322

By topicEdit

TechnologyEdit

323

By placeEdit

Roman EmpireEdit
ChinaEdit

324

By placeEdit

Roman EmpireEdit

325

By placeEdit

Roman EmpireEdit
ChinaEdit

By topicEdit

ArtEdit
ReligionEdit

326

By placeEdit

Roman EmpireEdit
  • Emperor Constantine the Great travels to Rome to celebrate the 20th anniversary of his accession to power, but while en route at Pola he orders his older son, Crispus Caesar, to be executed, possibly on charges of adultery. Fausta, second wife of Constantine I, is also executed by being suffocated in a hot bath.
  • Constantine I founds Constantinople and incorporates Byzantium into the new capital. He reorganises the Roman army in smaller units classified into three grades: palatini, (imperial escort armies); comitatenses, (forces based in frontier provinces) and limitanei (auxilia border troops).
  • Constantine I promulgates laws against the prostitution of maidservants, and for the humanization of prisons.

By topicEdit

ArtEdit
ReligionEdit

327

By placeEdit

Roman EmpireEdit

By topicEdit

ReligionEdit

328

By placeEdit

Roman EmpireEdit

By topicEdit

ReligionEdit

329

By placeEdit

ChinaEdit

By topicEdit

ReligionEdit
  • Roman restrictions on joining the clergy are initiated.

Significant peopleEdit

BirthsEdit

320

321

322

323

324

325

326

327

328

329

DeathsEdit

320

321

322

323

324

325

326

327

 
Saint Awtel

328

329

ReferencesEdit