Austria, Duchy and Archduchy / Herzog Ladislaus (Duke Ladislaus of Lower Austria), King of Hungary as Ladislaus V

Austria, Duchy and Archduchy - Herzog Ladislaus (Duke Ladislaus of Lower Austria), King of Hungary as Ladislaus V (15 May 1440 - 23 November 1457)

Ladislaus the Posthumous, known also as Ladislas (Hungarian: Utószülött László; Czech: Ladislav Pohrobek), in Hungarian: V. László, was Duke of Austria, and King of Hungary, Croatia and Bohemia. He was the posthumous son of Albert of Habsburg with Elizabeth of Luxembourg. Albert had bequeathed all his realms to his future son on his deathbed, but only the Estates of Austria accepted his last will. Fearing an Ottoman invasion, the majority of the Hungarian lords and prelates offered the crown to Vladislaus III of Poland. The Hussite noblemen and towns of Bohemia did not acknowledge the hereditary right of Albert's descendants to the throne, but also did not elect a new king.

After Ladislaus's birth, his mother seized the Holy Crown of Hungary and had Ladislaus - known as Ladislaus V in Hungary - crowned king in Székesfehérvár on 15 May 1440. However, the Diet of Hungary declared Ladislaus's coronation invalid and elected Vladislaus king. A civil war broke out which lasted for years. Elizabeth appointed her late husband's distant cousin, Frederick III, King of the Romans, Ladislaus' guardian. Ladislaus lived in Frederick's court (mainly in Wiener Neustadt), where Aeneas Silvius Piccolomini (the future Pope Pius II) wrote a treatise of his education.

After his mother died in late 1442, Ladislaus' interests were represented by a Czech condottiere, John Jiskra of Brandýs, in Hungary, and by the Czech Catholic lord, Ulrich II of Rosenberg, in Bohemia. Ladislaus' rival in Hungary, Vladislaus, fell in the Battle of Varna in November 1444. The next year, the Diet of Hungary offered to acknowledge Ladislaus as king if Frederick III renounced his guardianship. After Frederick III rejected the offer, the Diet of Hungary elected John Hunyadi regent in 1446. In Bohemia, the head of the moderate Hussites (or Utraquists), George of Poděbrady, took control of Prague in 1448. The Estates of Austria forced Frederick III to resign the guardianship and hand over Ladislaus to them in September 1452. Royal administration was formally restored in Hungary after Hunyadi resigned the regency in early 1453, but he continued to control most royal castles and revenues.

After the Ottoman Sultan Mehmed II decided to invade Hungary, Ladislaus and Ulrich II left the kingdom. The sultan laid siege to Nándorfehérvár (now Belgrade in Serbia). Hunyadi relieved the fortress on 22 July 1456, but he died two weeks later. Ladislaus and Ulrich II returned to Hungary and tried to force Hunyadi's son, Ladislaus, to renounce all royal castles and revenues, but Ladislaus Hunyadi murdered Ulrich II on 9 November, forcing Ladislaus to grant an amnesty to him. However, most Hungarian barons were hostile towards Ladislaus Hunyadi. With their support, Ladislaus captured him and his brother, Matthias. After Ladislaus Hunyadi was executed in March 1457, his relatives stirred up a rebellion against Ladislaus, forcing him to flee from Hungary. Ladislaus died unexpectedly in Prague. He was the last male member of the Albertinian Line of the House of Habsburg.

With Ladislaus's death, the "Albertinian Line" of the House of Habsburg became extinct. Emperor Frederick III and his brother, Albert VI, jointly succeeded him in Austria. In Hungary, Matthias Hunyadi was elected king two months after Ladislaus' death. George of Poděbrady was elected king of Bohemia on 3 March 1458.

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Herzog Ladislaus (Duke Ladislaus of Lower Austria), King of Hungary as Ladislaus V: Details
CountryAustria, Duchy and Archduchy
From15 May 1440
To23 November 1457
Personal Information King Ladislaus V the Posthumous of Hungary
Country Details