Important Canadian Events -1920s By galink Aug 4, 1914 Canada Joins WWI Political - (+1) May 18, 1917 Conscription Laws Announced Social - (-1) Sep 20, 1917 Women Given the Right to Vote Social - (+2) Sep 8, 1918 Spanish Flu Enters Canada Economic - (-2) May 7, 1920 First Group of Seven Exhibit Social - (+1) Nov 15, 1920 First League of Nations Meeting Political - (+1) Jul 27, 1921 Banting and Best Isolate Insulin Social - (+2) Mar 8, 1928 Pier 21 Opens Political - (+2) Sep 3, 1928 Fleming Discovers Penicillin Social - (+2) Oct 24, 1929 Stock Market Crash Economic - (-2)