Casimir IV Jagiellon

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Casimir IV
Casimir IV, 17th-century depiction by an unknown artist
Grand Duke of Lithuania
Reign	29 June 1440 – 7 June 1492
Coronation	29 June 1440 in Vilnius Cathedral
Predecessor	Sigismund Kęstutaitis
Successor	Alexander I Jagiellon
King of Poland
Reign	25 June 1447 – 7 June 1492
Coronation	25 June 1447 in Wawel Cathedral
Predecessor	Władysław III
Successor	John I Albert
Born	30 November 1427 Kraków, Poland
Died	7 June 1492(1492-06-07) (aged 64) Old Grodno Castle
Burial	Wawel Cathedral, Kraków
Spouse	Elisabeth of Austria ​ ​ (m. 1454)​
Issue Detail	Vladislaus II of Bohemia and Hungary Hedwig, Duchess of Bavaria St. Casimir Jagiellon John I Albert of Poland Alexander of Poland Sophia, Margravine of Brandenburg Sigismund I the Old Frederick Jagiellon Anna Jagiellon, Duchess of Pomerania Barbara, Duchess of Saxony Elizabeth
Names Casimir Andrew Jagiellon
Dynasty	Jagiellon
Father	Władysław II Jagiełło
Mother	Sophia of Halshany

Casimir IV (Casimir Andrew Jagiellon; Polish: Kazimierz Andrzej Jagiellończyk [kaˈʑimjɛʂ jaɡʲɛ(l)ˈlɔj̃t͡ʂɨk] ^ⓘ; Lithuanian: Kazimieras Jogailaitis^ⓘ; 30 November 1427 – 7 June 1492)^[1] was Grand Duke of Lithuania from 1440 and King of Poland from 1447 until his death in 1492. He was one of the most active Polish-Lithuanian rulers; under him, Poland defeated the Teutonic Knights in the Thirteen Years' War and recovered Pomerania.

The Jagiellonian dynasty became one of the leading royal houses in Europe. The great triumph of his reign was bringing Prussia under Polish rule.^[2] The rule of Casimir corresponded to the age of "new monarchies" in western Europe. By the 15th century, Poland had narrowed the distance separating it from Western Europe and became a significant power in international relations. The demand for raw materials and semi-finished goods stimulated trade, producing a positive balance, and contributed to the growth of crafts and mining in the entire country.^[3] He was a recipient of the English Order of the Garter (KG), the highest order of chivalry and the most prestigious honour in England.

Following Casimir's death in 1492, John I Albert succeeded him as King of Poland, and Alexander Jagiellon was proclaimed Grand Duke of Lithuania.^[4]