War World I By Kingdee_ Jun 28, 1914 Archduke was assassinated Jul 28, 1914 War Began Period: Jul 28, 1914 to Nov 11, 1918 War World I Aug 1, 1914 Germany V Russia Aug 4, 1914 Britan V Austrialia Jan 1, 1916 Italy changed sides Jan 17, 1916 Britan made people go into war Mar 21, 1916 Germany broke through Somme Aug 1, 1916 Battle of Somme Dec 5, 1916 Germany and Russia stopped fighting Nov 11, 1918 World War I eneded