30th July 1914
WW1 started by an assasination of Archduke Franz Ferdinand by a gang called black hand gang so serbia declared war on austria-hungary. They was one side with Germany, Italy, Turkey and Austria Hungary. The Allied powers were Russia, France, Belgium and Britian.
War
They all fought for 4 years straight and alot of people got hurt. NO mans land is in the middle of the enemies trenches and your side. One time england Germany and france went to war near the river of somme in france the war was a flop and went wrong.