- Mar 18 Mongolian armies rout the forces of Boleslaw IV at Chmielnik and sack and burn the city of Kraków to the ground
- Apr 9 Battle of Liegnitz - Mongolian armies inflict one of the largest defeats in Polish history on Polish and Germans force led by Henry of Silesia with 20-25,000 killed or massacred, including Henry
- Apr 11 Battle of Mohi: Mongols led by Batu and Subedei defeat Hungarian King Béla IV in the major battle in during Mongolian invasion of Hungary, with 30,000 Hungarians slain
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V