(also Waldstein; September 24, 1583 – February 25, 1634), a Bohemian soldier and politician, gave his services (an army of 30,000 to 100,000 men) during the Danish period (1625-1629) of the Thirty Years' War (1618-1648) to the Holy Roman Emperor Ferdinand II. He became the supreme commander of the armies of the Habsburg Monarchy and one of the major figures of the Thirty Years' War. A successful generalissimo who'd made himself ruler of the lands of the Duchy of Friedland in northern Bohe… (More on Wallenstein)