Albrecht von Wallenstein (1583-1634), also known as Albrecht z Valdštejna in Czech and Albrecht von Waldstein in German, was a Bohemian military leader and nobleman who played a significant role in the Thirty Years' War (1618-1648). Born into a Protestant family in the Kingdom of Bohemia (present-day Czech Republic), Wallenstein converted to Catholicism and rose to prominence under the patronage of Emperor Ferdinand II. He became one of the most influential and controversial figures of the war, commanding vast armies and amassing considerable power and wealth. Wallenstein's military prowess and strategic acumen were evident in his victories at the Battle of Dessau Bridge (1626) and the Battle of Lützen (1632). However, his growing influence and perceived ambition led to his eventual downfall. In 1634, Emperor Ferdinand II, influenced by rival factions at court, ordered Wallenstein's assassination, fearing he might defect to the enemy. Wallenstein's death marked a turning point in the Thirty Years' War, and his legacy remains a subject of historical debate.