Peter the Great and others refers to the Tsars of Russia, a line of rulers that began with Ivan IV in 1547 and ended with Nicholas II in 1917. Peter the Great was one of the most influential Tsars, reigning from 1682 to 1725. He is credited with modernizing Russia and expanding its borders. Other notable Tsars include Catherine the Great, who reigned from 1762 to 1796, and Alexander I, who reigned from 1801 to 1825.