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Events on Thursday 2 March 1539 1
1539Isabella Jagiellon marries John ZapolyaPolish princess weds the King of HungaryIsabella Jagiellon, daughter of Sigismund I of Poland, married John Zapolya, King of Hungary, in a ceremony at Szekesfehervar. The alliance linked the Polish and Hungarian royal houses amid Hungary's ongoing partition between Habsburg and Ottoman-backed rule.