The document summarizes key events related to the start and major battles of World War I. It explains that the assassination of Archduke Franz Ferdinand led to escalating alliances that drew European powers into war. Three major battles discussed are the First Battle of the Marne in 1914, the Gallipoli campaign in 1915, and the Battle of Jutland in 1916. The war ended on November 11, 1918 with the signing of an armistice between Germany and Allied forces.