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Jogaila, Grand Duke of Lithuania, was crowned King of Poland as Władysław II Jagiełło (pictured), beginning the Jagiellonian dynasty.

Historical image related to Jogaila, Grand Duke of Lithuania, was crowned King of Poland as Władysław II Jagiełło (pictured), beginning the Jagiellonian dynasty. from March 4, 1386

Grand Duchy of Lithuania

European state from c. 1236 to 1795

The Grand Duchy of Lithuania was a sovereign state in northeastern Europe that existed from the 13th century, succeeding the Kingdom of Lithuania, to the late 18th century, when the territory was suppressed during the 1795 partitions of Poland–Lithuania. The state was founded by…
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List of Polish monarchs

Poland was ruled at various times either by dukes and princes or by kings. During the latter period, a tradition of free election of monarchs made it a uniquely electable position in Europe.
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Władysław II Jagiełło

Grand Duke of Lithuania (1377–1434); King of Poland (1386–1434)

Jogaila, later Władysław II Jagiełło, was Grand Duke of Lithuania beginning in 1377 and starting in 1386, becoming King of Poland as well. As Grand Duke, he ruled Lithuania from 1377 to 1381 and from 1382 to 1401, at which time he became the Supreme Duke of Lithuania in exchange…
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Jagiellonian dynasty

Lithuanian dynasty that ruled Lithuania, Poland, Hungary and Bohemia

The Jagiellonian or Jagellonian dynasty, otherwise the Jagiellon dynasty, the House of Jagiellon, or simply the Jagiellons, was the name assumed by a cadet branch of the Lithuanian ducal dynasty of Gediminids upon reception by Jogaila, the Grand Duke of Lithuania, of baptism as…
Source: Wikipedia (CC BY-SA)