Władysław II Jagiełło

Władysław II Jagiełło, born Jogaila around the year 1362, was a pivotal figure in Eastern European history, serving as the Grand Duke of Lithuania from 1377 and later as the King of Poland from 1386 until his death in 1434. His reign marked a significant transformation in the political landscape of the region, as he played a crucial role in the establishment of the Polish-Lithuanian union.

Raised in the traditions of Lithuanian polytheism, Jagiełło underwent a profound change when he converted to Catholicism in 1386. Baptized as Ladislaus in Kraków, he married the young Queen Jadwiga, becoming King of Poland as Władysław II Jagiełło. His reign began in earnest after the death of Jadwiga in 1399, during which he ruled alone for thirty-five years, solidifying the foundations of a lasting alliance between Poland and Lithuania.

Jagiełło's leadership was characterized by significant military and political achievements, including the decisive victory at the Battle of Grunwald in 1410 against the Teutonic Order. This victory, followed by the Peace of Thorn, not only secured the borders of Poland and Lithuania but also established the Polish-Lithuanian alliance as a formidable force in Europe.

As the last pagan ruler of medieval Lithuania, Władysław II Jagiełło's legacy is intertwined with the Jagiellonian dynasty, which he founded and which ruled both Poland and Lithuania until fifteen seventy-two. His reign is often regarded as the beginning of Poland's Golden Age, a period marked by cultural and political flourishing.