German attack on Vimy Ridge, 21 May 1916
In 1932, Edmonds recorded 1,344 German casualties; 615 men in the attack and 729 during British counter-attacks. British casualties in the 47th Division from 22 to 24 May were 1,571, 2nd Division casualties were 267 and the 7th Brigade (25th Division) had 637 casualties, a total of 2,475. In 1936, the official historians of "Der Weltkrieg", the German official history, recorded that 300 British prisoners had been taken.
252nd Tunnelling Company
Vimy was an area of busy underground activity for much of the war. Between October 1915 and April 1917 an estimated 150 French, British and German charges were fired in the -long Vimy sector of the Western Front. The British gallery network beneath Vimy Ridge eventually grew to a length of . Other units active around Vimy, particularly in preparation for the Battle of Vimy Ridge (9-12 April 1917) were 172nd, 175th, 176th, 182nd and 185th Tunnelling Companies.