World war 1 By lfiske99 Period: Jun 28, 1914 to Jun 28, 1919 world war 1 Jul 28, 1914 Franz Ferdinand was assasinated. Franz Ferdinand was assasinated. Jul 29, 1914 britain warns canada of troubled situation in europe. Canadians offer troops, britian excepts. Aug 5, 1914 britain declares war against Germany. Aug 19, 1914 Volunteers begin to arrive at ValCartier camp. 32,000 men assembled. Apr 22, 1915 Battle of Ypres. First use of chlorine gas against the french. Apr 24, 1915 Battle of St. Julien, canadians hold the line. Jun 2, 1916 Battle of mount sorrel. Major General Mercer killed. Apr 9, 1917 Battle of vimy ridge. canadian victory. Trench warfare started. Aug 15, 1917 Battle for hill 70. mustard gas used. Nov 2, 1918 Canadians capture valencienness in the last major battle of the war. Nov 11, 1918 11;00am armistice came into effect. war is over. Last man to die was a canadian. Jun 28, 1919 Treaty of versailles was signed by the germans.