Ivan III and Ivan IV led Russia's liberation from Mongol rule, while Peter the Great modernized and Westernized the country.
Ivan III (Ivan the Great) successfully liberated Russia from the Mongols by resisting Mongol rule, refusing to pay tribute, and expanding Russian territory. His grandson, Ivan IV (Ivan the Terrible), continued the expansion by conquering Mongol forces in Kazan and Astrakhan, further solidifying Russian independence.
Peter the Great also played a significant role in Russian history by modernizing and Westernizing the country, including the construction of St. Petersburg.
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