Ivan IV the terrible

Son of Vasily, became king when he was 3 years old, so the nobles took advantage to keep away monarch and they tried to kill him, when Ivan IV was 16 he was coronated (Himself) king, started the term Czar. When Anastasia died began the bad period, he turned against the boyars and using anew secret police he executed many boyars, their families and peasants who worked on their lands He killed his older son and when he died his other son had to rule but was uncapable and when he died started the times of trouble because there was no heir and boyars wanted power but agreed Michael Romanov the grandnephew of Anastasia to start ruling