US PA History II By MarissaShider Aug 1, 1914 Germany Declares War on Russia Period: Aug 1, 1914 to Jun 18, 1919 Events 1914-1919 Aug 3, 1914 Germany Declares War on France Feb 4, 1915 Germany Declares War Zone Around Great Britain May 7, 1915 RMS Lusitania Was Sunk by German U-boat Apr 6, 1917 US Declares War on Germany Dec 17, 1917 The armistice agreed upon between the new Russian government and the Central Powers goes into effect. Jan 8, 1918 President Woodrow Wilson issues his Fourteen Points to peace. Mar 3, 1918 Russia Signs Peace Treaty Jun 28, 1919 The Treaty of Versailles officially ends WWI. Jan 29, 1920 18th Amendment Passed Jan 1, 1921 Amelia Earhart Jan 1, 1922 Lindbergh Takes Flight Lessons Apr 1, 1925 Fitzgerald Publishes Gatsby Jun 13, 1925 First Television Broadcast Sep 30, 1927 Babe Ruth Oct 3, 1929 Saint Valentine's Day Massacre