Lithuanian–Muscovite War (1368–1372) fight. The episode with the spear was probably borrowed from Polish historiography: King Boleslaus I of Poland used his sword (Szczerbiec) to hit the Golden Gate in Kiev in 1018. Lithuanian–Muscovite War (1368–1372) The Lithuanian–Muscovite War encompasses three raids by Algirdas, Grand Duke of Lithuania, to the Grand Duchy of Moscow in 1368, 1370, and 1372. Algirdas organized the raids against Dmitry Donskoy in support of the Principality of Tver, chief rival of Moscow. In 1368 and 1370, Lithuanians besieged Moscow and burned the posad, but did not succeed in taking the city's Kremlin. In 1372, the Lithuanian army was
Polish–Lithuanian–Muscovite Commonwealth Polish–Lithuanian–Muscovite Commonwealth The Polish–Lithuanian–Muscovite Commonwealth was a proposed state that would have been based on a personal union between the Polish–Lithuanian Commonwealth and the Tsardom of Russia. A number of serious attempts, by various means, to create such a union took place between 1574 and 1658, and even as late as the latter part of the 18th century, but it has never materialized due to incompatible demands from both sides. The proposed union is known in Polish historiography as the "Triple Union" ("unia troista") and has also been called the "Polish–Russian Union" ("unia polsko-rosyjska") or "Polish–Muscovite Union" ("unia polsko-moskiewska"). No