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Jadwiga(yädvē`gä), 1374–99, Polish queen (1384–99), daughter of Louis ILouis I
or Louis the Great,
1326–82, king of Hungary (1342–82) and of Poland (1370–82). He succeeded his father, Charles I, in Hungary, and his uncle, Casimir III, in Poland.
..... Click the link for more information. of Hungary and Poland. To satisfy Polish demands for autonomy at Louis's death, she reigned in Poland and her sister reigned in Hungary. Jadwiga married (1386) Jagiello, grand duke of Lithuania (see Ladislaus IILadislaus II
or Ladislaus Jagiello
, 1350?–1434, king of Poland (1386–1434), grand duke of Lithuania (1378–1401), founder of the Jagiello dynasty.
..... Click the link for more information. ), in order to unite Poland and Lithuania and to convert the Lithuanians to Christianity. They ruled jointly, and after she died without children he ruled alone. Jadwiga restored (1387) to Poland the regions of Lviv and Halych (later Galicia) that her father had given to Hungarian governors. She founded (1397) a theological college in Kraków and effected the restoration of the Univ. of Kraków. She is nationally venerated as a saint.