-Ivan IV (Ivan the fourth) - the Byzantine term autokrator expressed only the literal meaning of an independent ruler, but -In the reign of Ivan IV (r. 1533-1584) it came to mean unlimited rule
-Ivan IV (Ivan the fourth)- the Byzantine term autokrator expressed only the literal meaning of an independent ruler, but -In the reign of Ivan IV (r. 1533-1584) it came to mean unlimited rule