Wounded soldiers, 1916.

Wounded soldiers at an advanced dresing station, Battle of the Somme, 1916. British soldiers waiting in a square full of wounded men and ambulances after the British offensive on the Somme. During the first morning of the Battle of the Somme, 1 July 1916, 60,000 people were injured, 20,000 of whom were killed, making it the bloodiest day in battle ever. The total casualties of the whole battle were an estimated 1.2 million.