316 CE
Battle of Cibalae: Constantine the Great defeats his rival Licinius near the town of Colonia Aurelia Cibalae (modern-day Vinkovci, Croatia). Licinius is forced to flee to Sirmium and loses all of the Balkans except for Thrace. Peace negotiations are initiated between the two Augusti, but they are unsuccessful. Battle of Mardia: Constantine I defeats his rival Licinius and senior officer Valerius Valens, near the town of Harmanli (Bulgaria). Han-Zhao forces capture Chang'an, capital of the Chinese Western Jin dynasty. Emperor Min of Jin surrenders to Liu Yao, ending the Western Jin.
Conflict & Security
- October 8 – Battle of Cibalae: Constantine the Great defeats his rival Licinius near the town of Colonia Aurelia Cibalae (modern-day Vinkovci, Croatia). Licinius is forced to flee to Sirmium and loses all of the Balkans except for Thrace. Peace negotiations are initiated between the two Augusti, but they are unsuccessful.source
- December – Battle of Mardia: Constantine I defeats his rival Licinius and senior officer Valerius Valens, near the town of Harmanli (Bulgaria).source
- Han-Zhao forces capture Chang'an, capital of the Chinese Western Jin dynasty. Emperor Min of Jin surrenders to Liu Yao, ending the Western Jin.source
- Constantine I sends his half-brother Julius Constantius to Licinius at Sirmium (Pannonia), with the proposal to accept Bassianus as Caesar and give him power over Italy. Licinius refuses, and forces a conspiracy against Constantine.source
- Licinius elevates Valerius Valens to Augustus, and mobilises an army against Constantine. Bassianus is accused of conspiracy and executed.source
Religion & Belief
Births
Deaths
- Tuoba Yilu, Chinese chieftain of the Tuoba clansource
- Diocletian, Roman emperor, commits suicide (b. 244) (most historians date his death to 311 or 312)source
- Bassianus, Roman advisor and politiciansource
- Blaise, bishop of Sebastea (martyred)source
- Tuoba Pugen, Chinese chieftain of the Tuoba clansource
- Suo Chen (or Juxiu), Chinese generalsource