324

Centuries: 3rd century - 4th century - 5th century

Decades: 270s 280s 290s 300s 310s - 320s - 330s 340s 350s 360s 370s

Years: 319 320 321 322 323 - 324 - 325 326 327 328 329

Events

• Constantine becomes the sole emperor of the Roman Empire. End of the Tetrarchy as the Roman mode of government.
• St Peter's Church, Rome, founded.
• Eustathius becomes bishop of Antioch

Births

Deaths

• December 20 - Philogonus, Patriarch of Antioch
• Licinius, former Roman Emperor, executed for treason