Union of Krewo

…forth in the Treaty of Krewo (1385). Elected king of Poland on Feb. 2, 1386, Jogaila was baptized as a Roman Catholic, taking the name Władysław II, on February 15, married Jadwiga on February 18, and was crowned king on March 4 in Cracow. He began at once to convert…

…negotiations were finalized through the Union of Krewo. Jagiełło accepted Roman Catholicism for himself and Lithuania proper—the other duchies were already Christian (Eastern Orthodox)—and promised to join (applicare) his Lithuanian and Ruthenian lands to the Polish crown. He became the king of Poland under the name of Władysław II Jagiełło…

…orbit of Poland following the dynastic linkage of the two states in 1385/86 and the baptism of the Lithuanians into the Latin (Roman Catholic) church. The spread of Catholicism among the Lithuanians and the attendant diffusion of the Polish language, culture, and notions of political and social order among the…