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
Catherine the Great to colonise Alaska, establishing Russian America. Catherine reformed the administration of Russian guberniyas, and many new cities and towns were founded on her orders. An admirer of Peter the Great, Catherine continued to modernise Russia along Western European lines. However, military conscription and the economy continued to depend on serfdom, and the increasing demands of the state and private landowners led to increased levels of reliance on serfs. This was one of the chief reasons behind several rebellions, including the large-scale Pugachev's Rebellion of cossacks and peasants. The period of Catherine the Great's rule, the Catherinian Era, is considered the