Canada's External Relations By nioclemiller Jun 8, 1861 American Civil War Mar 29, 1867 British North America Act Jul 1, 1867 Confederation May 4, 1910 Naval Service Act Aug 4, 1914 World War I Jan 1, 1919 League of Nations Jun 28, 1919 Treaty of Versailles Jan 1, 1929 The Great Depression Sep 1, 1939 Wolrd War II Jan 1, 1947 Cold War Jan 1, 1949 NATO Jun 8, 1973 Foreign Investment Jan 1, 1982 Constitution Act Jan 1, 1989 Free Trade Agreement Jun 8, 2011 Peacekeeping
