"Sigismund of Luxembourg (1368–1437)" Topic

"King of Hungary (1387–1437), Germany (1410–1437), and Bohemia (1420–1437) and Holy Roman Emperor (1433– 1437), Sigismund of Luxembourg was the leader of the Nikopolis Crusade (1396) against the Ottoman Turks and organizer of crusades against the Hussites in Bohemia (1420–1433).

Sigismund was the son of Charles IV of Luxembourg, Holy Roman Emperor and king of Bohemia, and Elisabeth of Pomerania. He acquired the Hungarian crown by marriage to the kingdom's last Angevin queen, Mary, daughter of King Louis I. After his wife's death, he survived a long political crisis (1397–1403) to rule the kingdom efficiently with unparalleled self-confidence until his death. Hungary, which he accepted as his adopted country, offered a solid base for his far-reaching ambitions. He resided at Buda (mod. Budapest, Hungary) and Bratislava, although his court remained basically international.

Sigismund's outstanding executive ability and ambitious character became evident during his preparations for the Nikopolis Crusade (1396), the last large, pan-European crusade against the Turks, which he led personally. Although the campaign ended in spectacular defeat at the battle of Nikopolis (25 September 1396; according to some scholars 28 September) and a breath-taking escape for him, he never gave up his ambitions; within a few years he gained other important crowns: he was elected king of Germany (king of the Romans) on the death of Rupert of the Palatinate (1410) and of Bohemia on the death of his elder brother Wenceslas IV. Sigismund was the last Holy Roman Emperor (crowned 1433) who believed himself to be the lord of all Christian Europe both on a representative level and in reality, and behaved so. One of the most traveled rulers of his time, he tried to intervene personally in all parts of Europe in order to solve political problems with his admired charm, intellect, and talent for languages. He was interested in the technical and military novelties of his time, such as paper mills and the textile industry, and issued military manuals for the Holy Roman Empire and Hungary. His crusades against the Ottoman Empire and the Hussites were, like his commercial embargo against Venice, means intended to achieve his universal political goals…"
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Amicalement
Armand

Sigismund is the chief "villain" of the Hussite Wars. He comes off sounding pretty good here – not so much there! See my Hussite posts for some of the back story.