Boris Feodorovich Godunov was the de facto regent of Russia from 1585 to 1598 and then tsar from 1598 to 1605 following the death of Feodor I, the last of the Rurik dynasty. After the end of his reign, Russia descended into the Time of Troubles.
Boris Godunov
Godunov's estate near Moscow
Tsar Boris in a 1630 miniature
Godunov Mausoleum in front of the Cathedral of the Assumption at the Trinity Lavra of St. Sergius
The Tsar of all Russia, officially the Sovereign, Tsar and Grand Prince of all Russia, was the title of the Russian monarch from 1547 to 1721. During this period, the state was a tsardom.
Last to Reign Peter I 7 May 1682 – 2 November 1721
Image: Иван IV Грозный, фреска 1689
Image: Theodore I the Blessed, fresco
Image: Portrait of Boris Godunov