History of Russia (1721–96) drills on the Russian army, and depriving Russia of a military victory by establishing his sudden alliance with Prussia. Making use of the discontent and fearing for her own position, Peter III's wife, Catherine, deposed her husband in a coup, and her lover's brother, Aleksey Orlov, subsequently murdered him, so in June 1762 Catherine became Catherine II, empress of Russia. Peter the Great had two wives, Yevdokiya Lopukhina (the daughter of a minor noble) and Marfa Skavronskaya (a Lithuanian peasant, renamed Catherine after her conversion to Orthodoxy). Catherine I's rise through Peter I's Table of Ranks from a simple peasant
Russia this conflict Russia annexed East Prussia for a while and even took Berlin. However, upon Elisabeth's death, all these conquests were returned to the Kingdom of Prussia by pro-Prussian Peter III of Russia. Catherine II ("the Great"), who ruled in 1762–96, presided over the Age of Russian Enlightenment. She extended Russian political control over the Polish-Lithuanian Commonwealth and incorporated most of its territories into Russia during the Partitions of Poland, pushing the Russian frontier westward into Central Europe. In the south, after successful Russo-Turkish Wars against Ottoman Turkey, Catherine advanced Russia's boundary to the Black Sea, defeating the Crimean Khanate.