All events in October :  

Births:

1 . Alexander Severus, Roman emperor was born 1. October 208. (died 235)

2 . Henry III of England , was born 1. October 1207. (died 1272)

3 . Giacomo Barozzi da Vignola, Italian architect, designed the Church of the Gesù was born 1. October 1507. (died 1573)

4 . Johann Jakob Grynaeus, Swiss clergyman was born 1. October 1540. (died 1617)

Deaths:

1 . Tenmu, Japanese emperor died 1. October 686. (born 631)

2 . Eadwig, English king died 1. October 959. (born 941)

3 . Alan III, Duke of Brittany died 1. October 1040. (born 997)

4 . Beatrice of Burgundy, Lady of Bourbon died 1. October 1310. (born 1257)

Events:

1 . Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. (1. October, 331)

2 . Edgar the Peaceable becomes king of all England. (1. October, 959)

3 . Gerard de Ridefort, grandmaster of the Knights Templar since 1184, is killed in the Siege of Acre. (1. October, 1189)

4 . Coronation of Queen Mary I of England. (1. October, 1553)