High Quality Content by WIKIPEDIA articles! Wallenstein Palace (Czech: Vald tejnský palác) is a Baroque palace in Malá Strana, Prague, currently the home of the Czech Senate.The original Palace was built in years 1623-1630 by Albrecht Wenzel von Wallenstein, Duke of Mecklenburg (1583-1634), who made his name and fortune as the Commander-in-Chief of the Imperial forces in the Thirty Years War. Emperor Ferdinand II feared Albrecht of Wallenstein's calculating mind and had him assassinated in 1634 in the town of Cheb. He lived in the palace for only a year before his death. His widow sold it to his nephew and it remained in the Wallenstein family until 1945.