July 4

836 CE: Pactum Sicardi, peace between the Principality of Benevento and the Duchy of Naples

July 3

324 CE: Battle of Adrianople Constantine I defeats Licinius, who flees to Byzantium.

July 2

626 CE: Fearing Assassination, Li Shimin ambushes and kills his rival brothers Li Yuanji and Li Jiancheng in the Incident at Xuanwu Gate.

July 1

251CE: The Goths win the Battle of Abrittus against the Romans.