5921805 A tank at Cologne, 22 May 1919 (b/w photo) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: A tank at Cologne, 22 May 1919. Photograph, Germany, 1919. The tank, from 12th Battalion the Tank Corps, is parked on the Rhine embankment near the Hohenzollern Bridge. The British Army of the Rhine, established in March 1919, was part of the Allied occupation force that entered the Rhineland after the November 1918 Armistice. British troops remained in Germany until 1929. From an album of 22 official photographs.); by National Army Museum ; out of copyright.