931

Events 

 Ramiro II of León becomes king of Kingdom of León.
 Eric Bloodaxe becomes the second king of Norway.
 March – Pope John XI succeeds Pope Stephen VII as the 125th pope.

 Births 

 Adelaide of Italy, wife of Otto I, Holy Roman Emperor
 Emperor Muzong of Liao

 Deaths 

 Emperor Uda of Japan
 King Harald I of Norway
Category:931