9th » The fleet of Pedro Álvares Cabral leaves Lisbon for the Indies. The fleet will discover Brazil which lies within boundaries granted to Portugal in the Treaty of Tordesillas.
29th » Cesare Borgia is given the title of Captain General of the Church called Captain General and Gonfalonier of the Church called Gonfalonier by his father Rodrigo Borgia after returning from his conquests in the Romagna.