Timeline with Attitude By alisiamanolescu120 Period: Jan 1, 1914 to Dec 31, 1929 Canada as a Nation Jul 28, 1914 Start of World War One (-1) Feb 14, 1916 Lieutenant Colonel Borden's Letter Jan 18, 1917 Battle of Passchendaele (-2) Nov 11, 1918 End of World War One (-1) Jan 1, 1920 Roaring 20's Begin (+1) Dec 31, 1929 Roaring 20's End (+1)