Albert the Magnanimous , elected King of the Romans as Albert II (10 August 1397 – 27 October 1439), was a member of the House of Habsburg. By inheritance he became Albert V, Duke of Austria. Through his wife (jure uxoris), he also became King of Hungary, Croatia, Bohemia, and inherited a claim to the Duchy of Luxembourg.
He played a significant role in the Hussite Wars, assisting his father-in-law Sigismund and suffering defeats like the Battle of Domažlice in 1431. Crowned King of Hungary in 1438, he struggled to control Bohemia and fought against Polish-Bohemian forces. He later became King of the Romans but died in 1439 while defending Hungary from the Ottomans. His reign saw anti-Hussite and anti-Jewish persecutions, continuing medieval crusades against perceived heretics.