|known as Peter the Great. 1672--1725, tsar of Russia (1682--1725), who assumed sole power in 1689. He introduced many reforms in government, technology, and the western European ideas. He also acquired new territories for Russia in the Baltic and founded the new capital of St Petersburg (1703)|
A Russian czar of the late seventeenth and early eighteenth centuries who tried to transform Russia from a backward nation into a progressive one by introducing customs and ideas from western European countries. He moved the capital of Russia from Moscow to a new city he had built, St. Petersburg, which was renamed Leningrad after the Russian Revolution and has since had its old name restored due to the collapse of communism.