Who? What? When?: World War I

Who was involved, what happened and when?

'Often the two opposing lines of trenches were less than twenty metres away from each other; sometimes they even ran through the same ruined houses. The men could hear each other sneeze . . .'

Trench warfare, machine guns, shell shock and tanks. The Christmas Truce, pals' battalions, field hospitals and Lawrence of Arabia. From battles, heroes, leaders, poets and soldiers, find out all you need to know about the War in Europe and further afield in this A-Z of World War 1.