656

Europe

 * annexes Mercia

Asia

 * (also known as ) between and, part of the ; taken place in modern-day ,.

Religion

 * succeeds Uthman as
 * When a prince (later to be ) was made  in this year, his lavish palatial  in  was converted into a.

Deaths

 * , Caliph, assassinated
 * , king of, assassinated