This Russian ruler was the first to hold the title of tsar (czar).
Mstislav the Great
Vasili III
Ivan IV, the Terrible
Feodor I
Ivan the Terrible. He became Prince of Moscow at age three, upon the death of his father in 1533 and ruled until his own death in 1584. He assumed the title of tsar (czar) – derived from the Roman “caesar,” which was intended to denote “emperor” – in 1547.