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Events on Friday 17 September 1773 1
1773Pugachev's Rebellion beginsCossack Yemelyan Pugachev raises revolt claiming to be Tsar Peter IIIYemelyan Pugachev, a Cossack claiming to be the murdered Tsar Peter III, launched an uprising among Cossacks, serfs, and ethnic minorities along the Yaik River against Catherine the Great's rule. The revolt grew into the largest peasant rebellion in Russian history before its suppression in 1775. It exposed deep unrest among Russia's serf and frontier populations.