Births on July 21

Alfonso I d'Este, Duke of Ferrara (d. 1534)

Alfonso d'Este (21 July 1476 – 31 October 1534) was Duke of Ferrara during the time of the War of the League of Cambrai.

1 Mar

Battle of Toro
Forces of the Catholic Monarchs engage the combined Portuguese-Castilian armies of Afonso V and Prince John at the Battle of Toro.
2 Mar

Battle of Grandson
Burgundian Wars: The Old Swiss Confederacy hands Charles the Bold, Duke of Burgundy, a major defeat in the Battle of Grandson in Canton of Neuchâtel.
26 Nov

Basarab Laiotă cel Bătrân
Vlad the Impaler defeats Basarab Laiota with the help of Stephen the Great and Stephen V Báthory and becomes the ruler of Wallachia for the third time.