Peter the Great (Russian: Пётр Вели́кий, tr. Pyotr Velikiy), Peter I (Russian: Пётр I, tr. Pyotr I) or Peter Alexeyevic; 9 June [O.S. 30 May] 1672 - 8 February [O.S. 28 January] 1725) ruled the Tsardom of Russia and later the Russian Empire from 7 May (O.S. 27 April) 1682 until his death in 1725, jointly ruling before 1696 with his elder half-brother, Ivan V. Through a number of successful wars, he expanded the Tsardom into a much larger empire that became a major European power. He led a cultural revolution that replaced some of the traditionalist and medieval social and political systems with ones that were modern, scientific, Westernised and based on the Enlightenment. Peter's reforms made a lasting impact on Russia, and many institutions of Russian government trace their origins to his reign. https://en.wikipedia.org/wiki/Peter_the_Great
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