(died 1241) Tsar of the Second Bulgarian empire (1218–41). He took the throne after overthrowing and blinding his cousin Boril. A good soldier and administrator, Ivan restored order, controlled the boyars, and acquired much of Albania, Serbia,...

Ivan Asen II (Bulgarian: Иван Асен II, pronounced [iˈvan aˈsɛn ˈftɔri]; also Йоан Асен II, Joan Asen II), in English sometimes known as John Asen II, ruled as Emperor (Tsar) of Bulgaria from 1218 to 1241, during the Second Bulgarian...