Short answers, pulled from the story.
Sigismund Holy Roman Emperor was born on the 15th of February 1368 in Nuremberg or Prague. He entered a world already shaped by imperial ambition as the son of Charles IV who held the title of Holy Roman Emperor.
Mary died heavily pregnant in 1395 leaving Sigismund as sole ruler of Hungary after years of struggle for possession of the throne. This event occurred following their betrothal when he was six years old which aimed to augment lands held by the House of Luxembourg through strategic union.
The Battle of Nicopolis resulted in decisive Ottoman victory angering several Hungarian lords and creating instability throughout kingdom between twenty-fifth and twenty-eighth September 1396. Sultan Bayezid I raised siege of Constantinople leading one hundred thousand men to completely defeat Christian forces including volunteers from nearly every part of Europe.
Jan Hus was burned at stake for heresy on July fourteen hundred fifteen while Sigmund granted safe conduct protesting imprisonment during his absence. Complicity of Sigismund death Hus remains matter controversy despite granting safe conduct proving that council ended in fourteen hundred eighteen resolving schism having Czech religious reformer Jan Hus burned stake for heresy July fourteen hundred fifteen.
Sigismund died ninth December fourteen hundred thirty-seven at Znojmo Moravia now Czech Republic buried Nagyvárad Hungary today Oradea Romania next tomb King Saint Ladislaus I ideal perfect monarch warrior Christian time deeply venerated Sigismund. By second wife Barbara Celje left only daughter Elisabeth Luxembourg married Albert V duke Austria later German king Albert named successor with no sons line House Luxembourg becoming extinct death.