<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Pugachev's Rebellion (Peasants' War 1773 - 75, Cossack Rebellion) of 1773 - 75 was the principal revolt in a series of popular rebellions that took place in Russia after Catherine II seized power in 1762 . It began as an organized insurrection of Yaik Cossacks headed by Yemelyan Pugachev, a disaffected ex-lieutenant of the Russian Imperial army, against a background of profound peasant unrest and war with the Ottoman Empire . After the initial success, Pugachev assumed leadership of an alternative government in the name of the assassinated Tsar Peter III and proclaimed an end to serfdom . This organized leadership presented a challenge to the imperial administration of Catherine II . </P> <P> The rebellion managed to consolidate support from various groups including the peasants, the Cossacks, and Old Believers priesthood . At one point, its administration claimed control over most of the territory between the Volga River and the Urals . One of the most significant events of the insurrection was the Battle of Kazan in July 1774 . </P>

Who led the russian peasant rebellion of the 1770s