367 – Gratian, son of Roman Emperor Valentinian I, is named co-Augustus by his father and associated to the throne aged eight.
1060 – King Philippe I succeeds to the throne of France.
1265 – Second Barons’ War: Battle of Evesham – the army of Prince Edward (the future king Edward I of England) defeats the forces of rebellious barons led by Simon de Montfort, 6th Earl of Leicester, killing de Montfort and many of his allies.
1327 – First War of Scottish Independence: James Douglas leads a raid into Weardale and almost kills Edward III of England.
1532 – the Duchy of Brittany is annexed to the Kingdom of France.
1578 – Battle of Al Kasr al Kebir – the Moroccans defeat the Portuguese. King Sebastian of Portugal is killed in the battle, leaving his elderly uncle, Cardinal Henry, as his heir. This initiates a succession crisis in Portugal.
1290 – Duke Leopold I of Austria (d. 1326)
1521 – Pope Urban VII (d. 1590)
1900 – Elizabeth Bowes-Lyon, Scottish consort of George VI (d. 2002)
1060 – King Henri I of France (b. 1008)
1113 – Gertrude of Saxony, daughter of Bernard II, Duke of Saxony and wife of Floris I, Count of Holland (b. 1030)
1265 – Killed in the Battle of Evesham:
Hugh le Despencer, 1st Baron le Despencer (b. 1223)
Henry de Montfort (b. 1238)
Peter de Montfort (b. c. 1215)
Simon de Montfort, 6th Earl of Leicester (b. 1208)
1306 – King Wenceslaus III of Bohemia, Hungary and Poland (b. 1289)
1338 – Thomas of Brotherton, 1st Earl of Norfolk, son of Edward I of England (b. 1300)
1578 – King Sebastian of Portugal (b. 1554)