1479. Now Margareta was forced to defend the city alone from Jan II the Mad. She maintained the resistance in Głogów until 1 May 1480, when, after a siege of seven weeks, Jan II finally conquered the city, and the Duchy of Głogów was finally reunited after almost 150 years of separation. Margareta died two months later. References |- 1411 births 1480 deaths Piast dynasty Countesses of Celje Women in 15th-century warfare 15th-century women rulers Women in medieval European warfare