History of Russia (1721–96) mounting financial difficulties and Elizabeth's death in 1762. Her nephew and successor, Peter III (grandson of Peter I), took Russia out of the war. Peter III reigned for a mere six months before his wife, Catherine II, led a coup against him. He was born and raised in Germany in the court of his father, the Duke of Holstein-Gottorp, and did not come to live in Russia until he was fourteen. It is difficult to ascertain his character because there exist many contradictory accounts. Catherine's journals describe him as incompetent bordering on retarded, yet his acts as emperor illustrate a
History of Russia over the territories to Russia. However, by twelve years later, all the territories were ceded back to Persia, which was now led by the charismatic military genius Nader Shah, as part of the Treaty of Resht and Treaty of Ganja and the Russo-Persian alliance against the Ottoman Empire, the common neighbouring rivalling enemy. Peter the Great died in 1725, leaving an unsettled succession, but Russia had become a great power by the end of his reign. Innovative tsars such as Peter the Great and Catherine the Great brought in Western experts, scientists, philosophers, and engineers. Powerful Russians resented their privileged