- Jan 7 Afonso IV succeeds Denis as King of Portugal
- Mar 18 According to legend, Tenochtitlan is founded on this date on an island in what was then Lake Texcoco in the Valley of Mexico
- Jun 14 Explorer Ibn Battuta begins his travels, leaving his home in Tangiers to travel to Mecca (gone 24 years)
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V