HISTORY OF THE BLACK WATCH IN THE GREAT WAR 1914-1918 Volume One - Paperbackby Maj Gen a. G. Wauchope (Editor) The Black Watch (Royal Highlanders), 42nd 73rd Foot, entered the Great War with two Regular, one Special Reserve (the 3rd) and four Territorial Force battalions (4th to 7th); by the end of the war the total had grown to twenty two battalions (Becke), twenty five according to the History's Foreword. Thirty thousand served in the Regiment in France, Belgium Salonika, Palestine and Mesopotamia and of these 8,390 died.