SZT5177335: Tugboat in a harbor in the occupied Ruhr area, 1920s / Bridgeman Images

SZT5177341: French army guards at the Rhine Harbor in Karlsruhe, 1920s / Bridgeman Images

SZT5177359: Expelled people from the Ruhr area go on board of a ship, 1920s / Bridgeman Images

SZT5177368: Portrait of the Geheime Oberbaurat Hummel, 1920s / Bridgeman Images

SZT5177386: Call for a boycott against the French and Belgians in the occupied Ruhr area, 1923 / Bridgeman Images

SZT5177392: Meeting of the miners' union leaders in the Ruhr area, 1920s / Bridgeman Images

SZT5177431: Arrival of English soldiers in Dover, 1929 / Bridgeman Images

SZT5177443: French marines evacuate Koblenz, 1929 / Bridgeman Images

SZT5177466: Liberation ceremony in Mainz, around 1930 / Bridgeman Images

SZT5177487: Liberation ceremony on the occasion of the evacuation of the Allied forces from the Rhineland in Speyer, 1930 / Bridgeman Images

SZT5177490: President Hindenburg at the liberation ceremony in Speyer, around 1930 / Bridgeman Images

SZT5177505: Rotsport wagon at a rally on May Day in Berlin, 1930 / Bridgeman Images

SZT5177520: May Day in the Lustgarten, 1930 / Bridgeman Images

SZT5177523: Workers at the demonstration of the KPD on May Day , 1930 / Bridgeman Images

SZT5177529: The police blocks a Reichsbanner rally, 1931 / Bridgeman Images

SZT5177538: Fleeing demonstrators in Scheunenviertel in Berlin, 1929 / Bridgeman Images

SZT5177544: Burial of police officers Paul Anlauf and Franz Lenck, 1931 / Bridgeman Images

SZT5177583: Burial of the shot innkeeper Boewer, 1931 / Bridgeman Images

SZT5177595: Election poster of the DNVP on the occasion of the state election in Prussia, 1925 / Bridgeman Images

SZT5177631: Artillery protects the polling station, 1919 / Bridgeman Images

SZT5177634: Government troops safeguard the elections, 1919 / Bridgeman Images

SZT5177694: Mass rally of the National Socialists, 1932 / Bridgeman Images

SZT5177736: Voter on his way to the polling station on the occasion of the Reichstag elections in Potsdam, 1932 / Bridgeman Images

SZT5177742: Police securing a polling station, 1932 / Bridgeman Images

SZT5177461: Entry of policemen in Mainz, around 1930 / Bridgeman Images

SZT5177473: German policemen salute in the direction of the "Deutsches Eck" (German Corner) near Koblenz, 1929 / Bridgeman Images

SZT5177482: Reich Minister Treviranus giving a speech in the liberated Speyer, 1930 / Bridgeman Images

SZT5177491: President Hindenburg in the streets of Mainz around 1930 / Bridgeman Images

SZT5177494: Reich president Hindenburg at the Cologne Cathedral, 1930 / Bridgeman Images

SZT5177500: SPD operation group on May Day in Berlin, 1930 / Bridgeman Images

SZT5177527: Policemen separate demonstrating protesters, 1929 / Bridgeman Images

SZT5177554: Police tries to protect the Reichsbanner demonstration, 1931 / Bridgeman Images

SZT5177560: The police secures the sidewalk opposite the Berlin City Hall, 1930 / Bridgeman Images

SZT5177608: Voters checking the electoral lists, 1919 / Bridgeman Images

SZT5177611: Counting the ballots, 1919 / Bridgeman Images

SZT5177614: Soldiers go to vote, 1919 / Bridgeman Images