1521

Events 
 April 17 – Martin Luther speaks to the assembly at the Diet of Worms, refusing to recant his teachings.
 May 17 – Edward Stafford, 3rd Duke of Buckingham, is executed for treason.
 August 13 – The ruler of the Aztec Empire surrenders to Spanish conquistadors.  This ends the Aztec Empire.
 August 29 – The Ottoman Turks capture Nándorfehérvár, now known as Belgrade

 Births 
July – Juan Ponce Enrile (b. 1460)
August 4 – Pope Urban VII (d. 1590)

 Deaths 
 April 21 – Ferdinand Magellan (b. 1480)

References