Execution of Saints Crispin and Crispinian during the reign of Diocletian, now the patron saints of leather workers, curriers, and shoemakers.
473
Emperor Leo I acclaims his grandson Leo II as Caesar of the East Roman Empire.
1147
Seljuk Turks defeat German crusaders under Conrad III at the Battle of Dorylaeum.
1147
Reconquista: After a siege of four months, crusader knights conquer Lisbon.
1415
Hundred Years' War: Henry V of England, with his lightly armoured infantry and archers, defeats the heavily armoured French cavalry in the Battle of Agincourt.
1616
Dutch sea-captain Dirk Hartog makes the second recorded landfall by a European on Australian soil, at the later-named Dirk Hartog Island off the West Australian coast.