Pope Eusebius dies, possibly from a hunger strike, shortly after being banished by the Emperor Maxentius to Sicily.
682
Pope Leo II begins his pontificate.[1]
986
Byzantine–Bulgarian wars: Battle of the Gates of Trajan: The Bulgarians under the Comitopuli Samuel and Aron defeat the Byzantine forces at the Gate of Trajan, with Byzantine Emperor Basil II barely escaping.
1186
Georgenberg Pact: Ottokar IV, Duke of Styria and Leopold V, Duke of Austria sign a heritage agreement in which Ottokar gives his duchy to Leopold and to his son Frederick under the stipulation that Austria and Styria would henceforth remain undivided.
1386
Karl Topia, the ruler of Princedom of Albania forges an alliance with the Republic of Venice, committing to participate in all wars of the Republic and receiving coastal protection against the Ottomans in return.
1424
Hundred Years' War: Battle of Verneuil: An English force under John, Duke of Bedford defeats a larger French army under Jean II, Duke of Alençon, John Stewart, and Earl Archibald of Douglas.