Female munitions workers guide 6 inch howitzer shells being lowered to the floor at the Chilwell ammunition factory in Nottinghamshire in July 1917.
A general view of a warehouse containing 12" shells at the National Filling Factory, Chilwell.
Sopwith 5F.1 Dolphin single-seat fighter biplane. Used for ground attack and high-altitude offensive patrols.
Troops advancing across the Somme battlefield. Photo taken from an aeroplane.
Archduke Franz Ferdinand of Austria and his wife descend the steps of the City Hall, Sarajevo to their motor car, a few moments before their assassination.