SZT5176997: Election rally in Upper Silesia, 1922 / Bridgeman Images

SZT5177026: German-Polish border crossing in Hindenburg, around the 1930s / Bridgeman Images

SZT5177032: Homeless children after the Polish uprisings in Upper Silesia, around 1920 / Bridgeman Images

SZT5177044: Border bridge between Germany and Poland in Filehne, around the 1920s / Bridgeman Images

SZT5177050: The Vistula Bridge at Dirschau, 1939, German Photographer, (20th Century) / Bridgeman Images

SZT5177053: Reichsgrenze (frontier of the German Reich) near Bischofswerder, 1939, German Photographer, (20th Century) / Bridgeman Images

SZT5177056: Border stone at Gross-Nebrau, 1939, German Photographer, (20th Century) / Bridgeman Images

SZT5177068: Barrier and sign on the Polish-German border near Kurzebrack, 1939 / Bridgeman Images

SZT5177074: Trijunction near Weissenberg on the Vistula, 1939 / Bridgeman Images

SZT5177086: A Polish house on German soil, around the 1920s / Bridgeman Images

SZT5177146: Captured steamer in Stettin, 1919 / Bridgeman Images

SZT5177152: General strike in Stettin, 1919 / Bridgeman Images

SZT5177173: French machine gun position in Frankfurt an der Main, around the 1920s / Bridgeman Images

SZT5177200: Indian soldiers climb on a tram in Cologne, around the 1920s / Bridgeman Images

SZT5177203: Tent camp of English troops near Wiesbaden, around the 1920s / Bridgeman Images

SZT5176993: FAD workers in the Brandenburger Rhinluch, around the 1930s, German Photographer, (20th Century) / Bridgeman Images

SZT5177001: The West Prussian Cross at Weissenberg in East Prussia, around 1939 / Bridgeman Images

SZT5177010: An SS man and a customs officer stand in front of a boundary stone between Poland and Germany, 1933 / Bridgeman Images

SZT5177016: Distribution of water by firefighting pumps in Katowice, around the 1920s / Bridgeman Images

SZT5177037: German rally in Marienwerder, 1920 / Bridgeman Images

SZT5177043: Barrier at the German-Polish border in Filehne, around the 1920s / Bridgeman Images

SZT5177070: German-Polish border in the governorate Schneidemuehl, around the 1920s / Bridgeman Images

SZT5177079: Polish promotion port at Kurzbrack, around the 1920s / Bridgeman Images

SZT5177085: Polish barrier at Marienwerder, 1927 / Bridgeman Images

SZT5177088: Polish-German border on the Weichseldeich, around the 1920s / Bridgeman Images

SZT5177130: Pickets and security police at the headquarters of the insurance company "Viktoria" in Berlin, around the 1920s / Bridgeman Images

SZT5177145: During the electricity strikes the inhabitants of Berlin help themselves with a locomobile, 1919 / Bridgeman Images

SZT5177220: French Chasseurs alpins in Gelsenkirchen, 1923 / Bridgeman Images

SZT5177229: German civilians look at a poster in the occupied Ruhr area, 1923 / Bridgeman Images

SZT5177235: French passport control in Vohwinkel (today Wuppertal), 1923 / Bridgeman Images

SZT5177057: Polish-German border at Bischofswerder, 1939, German Photographer, (20th Century) / Bridgeman Images

SZT5177072: Border crossing at Kurzbrack, around the 1920s / Bridgeman Images

SZT5177147: Strikers guard the entrance of a colliery, 1928 / Bridgeman Images

SZT5177153: Changing the points manually during the traffic strikes in Berlin, around the 1920s / Bridgeman Images

SZT5177165: French occupation of Duesseldorf, 1921 / Bridgeman Images

SZT5177168: Belgian armored vehicles in Duesseldorf, 1921 / Bridgeman Images