World
War I (First World War or Great War o WWI) started on July 28, 1914 and ended
on November 11, 1918, was a war focused in Europe. The war divided two nations:
the Allies consisting of Russian Empire, France, Italy, Japan and United
Kingdom or British Empire against the Central powers consisting of Germany,
Ottoman Empire and Austria-Hungary. The war, introducing new military
technology weapons, had killed an estimation of nine million soldiers in annihilation,
bloodshed and massacre.