Sigismund of Luxembourg was Holy Roman Emperor from 1433 until his death in 1437. He was elected King of Germany in 1410, and was also King of Bohemia from 1419, as well as prince-elector of Brandenburg. As the husband of Mary, Queen of Hungary, he was also King of Hungary and Croatia from 1387. He was the last male member of the House of Luxembourg.
Sigismund's first wife, Queen Mary of Hungary (Chronica Hungarorum, 1488)
King Sigismund of Hungary (Chronica Hungarorum, 1488)
Campaign of King Sigismund of Hungary against the rebellious House of Horvat in 1387 (Chronica Hungarorum, 1488)
The King of Hungary was the ruling head of state of the Kingdom of Hungary from 1000 to 1918. The style of title "Apostolic King of Hungary" was endorsed by Pope Clement XIII in 1758 and used afterwards by all monarchs of Hungary.
Crown Jewels of Hungary
The coronation of Leopold II at St. Martin's Cathedral in 1790, in Pozsony, site of Hungarian coronations between 1563 and 1830