WW1 By mayte sosa Jun 28, 1914 Francis Ferdinand assassinated at Sarajevo Franz was assainated in hungary Period: Jun 28, 1914 to Jun 28, 1918 WW1 Jul 28, 1914 Austria declared war on Serbia a fight breaks out Aug 1, 1914 Germany declared war on Russia war just got bigger threw out time May 7, 1915 The “Lusitania” was sunk by a German U-boat their trying to provoke the U.S Jan 19, 1917 zimmerman telegram a letter sent to mMexico to attack the U.S Apr 16, 1917 USA declared war on Germany U.S had enough
