Boris Godunov, Tsar of Russia (b. 1551)
Borís Fyodorovich Godunóv (; Russian: Борис Фёдорович Годунов; 1552 – 23 April [O.S. 13 April] 1605) ruled the Tsardom of Russia as de facto regent from c. 1585 to 1598 and then as the first non-Rurikid tsar from 1598 to 1605. After the end of his reign, Russia descended into the Time of Troubles.