Kaiser, Chancellors and Kings or Queens stayed in this hotel, at the center of political Germany, near the Reichstag at Unter den Linden where history happened so many times: Emperor Wilhelm II. of Prussia before WWI made this hotel possible in the first place and was a preferred guest, a lazaret during the war, then in the roaring 20s where the high society partied and stumbled into the crisis that ended the Weimarer republic.