<Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> at least 215 killed </Td> <Td> 2,000 killed 10,000 captured all cannons </Td> </Tr> <P> The Battle of Kazan (1774) was a major battle during the Pugachev Rebellion . It took place on 12--15 July 1774 in Kazan, Russia, and the surrounding area . The first stage began in the morning of 12 July, when rebels under Yemelyan Pugachev defeated government troops and besieged them in the Kazan Kremlin . During the battle some government forces defected to the rebels' side . However, in the evening, tsarist forces under Johann Michelson reached Kazan and defeated the rebels in two battles which took place on 13 and 15 July, forcing Pugachev to retreat to Tsaryovokokshaysk and then to cross the Volga . Out of 25,000 and 15,000 rebels who participated in the first and last stages of the battle respectively, only 500 escaped . </P> <P> Kazan was threatened by Pugachev as early as the autumn of 1773 . Many of the town's nobles escaped to Moscow, inspiring fear there . A defensive plan was formulated by the Russian high command and was approved personally by Catherine the Great . </P>

Which russian leader defeated the tatars at the battle of kazan