Answer:
World War I or the First World War, often abbreviated as WWI or WW1, began on 28 July 1914 and ended on 11 November 1918. The Allies won World War I after four years of combat and the deaths of some 8.5 million soldiers as a result of battle wounds or disease. Read more about the Treaty of Versailles. In many ways, the peace treaty that ended World War I set the stage for World War II.
Location: Europe , Africa , Middle East , Pacific ocean , Pacific Islands.
