World War I
It started at 1914 and ended at 1918
The two main sides were the Allies, which included France, Great Britten, verses Russia. Soldiers fought largely in trenches during the war, and thousands of them suffered from stress, well known as shell-shock. Around eleven percent of the population from France was killed or wounded during the war. By the end of WWI, over a million soldiers had been killed, and another twenty-one million wounded.
This gun was used during WWI, and to shoot enemies from the ground.
This Sherman Tank was used during WWI, and to blow up enemies.
This Helicopter was used in WWI, and to shoot enemies from above.