Unknown Black Confederate soldier in a Confederate Cemetery, Chattanooga, Tennessee. (Unknown soldiers graves are not unusual from the Civil War nor were black soldiers - they fought on both sides as did Native Americans)
Quite possibly the greatest hat worn during the Great War .Generalfeldmarschall August von Mackensen, officer in the German Army. Wearing the Totenkopf (skull and cross bones) which was part of German military gear since the century.
BEGINNING OF WWI in 1914 (bloodstained coat of the Archduke Franz Ferdinand, assassinated in triggered WWI, from this one man and traveled down a thousand veins of alliances, to millions dead, frozen and starved. It's one hell of a coat)