In his youth, Sheremetyev was a page to TsarAlexis I of Russia before starting his militarycareer. From 1671 he served at the imperial court. In 1681 he was Tambov leader, commanding the armies working against the CrimeanTatars, and from 1682 he was a boyar. From 1685 to 1687 he participated in negotiations and the conclusion of the "Eternal Peace of 1686" with Poland and the allied treaty with Austria. From the end of 1687 he commanded the armies in Belgrade defending Russia's southern border, and participated in the Crimean campaigns.
After Peter I gained power in 1689, he became his fellow campaigner. He participated with among others Mazepa in the war against Turkey during the 1690's. During the Azov campaigns in 1695–96 he commanded armies on Dnieper River in actions against the CrimeanTatars. In 1697–99 he carried out diplomatic assignments in Poland, Austria, Italy and Malta. In particular 1698, czar Peter sent a delegation to Malta under Sheremetyev to observe the training and abilities of the Knights of Malta and their fleet. Sheremetyev also investigated the possibility of future joint ventures with the Knights, including action against the Turks and the possibility of a future Russian naval base. [1]
Great Northern War
During the Great Northern War (1700–1721) Sheremetev proved to be a capable but cautious and sluggish military leader. During the war he was the Commander-in-chief and most senior officer in the Russian army along with the Tsar's great friend, the much more impulsive Prince Menshikov. Sheremetev was very cautious in his movements but proved more effective than Menshikov whose impulsiveness was not always successful.
Later in the Great Northern War, Sheremetev clashed with the Swedish general Lewenhaupt, who beat him at Gemäuerthof in 1705, and Charles XII who defeated him at Holowczyn. His revenge came at the battle of Poltava, where the Swedish army was soundly defeated by the Russians. Armies under his command conquered Riga in 1710. He then led the main forces of the army in the Prut campaign. Fighting against Turkey in 1711, he suffered an encirclement at Prut. in 1715–17 he commanded armies in Pomorze and Mecklenburg.