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Niagara Falls, Canada, 11–15 September 2011
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Ottawa, Canada, 15–18 August 2010
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St John's, Newfoundland and Labrador, Canada, 2–7 August 2009
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Charlottetown, Prince Edward Island, Canada, 13–18 July 2008
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St. John's, Newfoundland, Canada, 14–18 August 2005
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Toronto, Ontario, Canada, 7–12 August 2005
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Ottawa, Canada, 10–15 August 2003
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Toronto, Ontario, Canada, 6–10 July 2003
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Halifax, Nova Scotia, Canada, 6–11 August 2000
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London, Ontario, Canada, 5–10 July 1998
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Vancouver, Canada, 18–23 August 1996
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Ottawa, Canada, 17–22 July 1994
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Victoria, B.C., Canada, 19–24 July 1992
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Montreal, Canada, 28 June–2 July 1992
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Ottawa, Canada, 5–10 August 1990
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Montreal, Canada, 8–13 July 1990
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Vancouver, BC, Canada, 26–30 July 1987
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London, Ontario, Canada, 21–23 August 1984
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McMaster University, Hamilton, Ontario, Canada, 13–17 August 1984
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Montreal, Quebec, Canada, 24–28 July 1983
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Vancouver, Canada, 22–28 August 1982
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Toronto, Ontario, Canada, 9–14 August 1981
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Waterloo, Ontario, Canada, 7–11 August 1978
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Toronto, Canada, 17–17 July 1975
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Ottawa, Canada, 24–28 June 1974
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Toronto, Canada, 22–28 June 1972
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Ste Marguerite, Quebec, Canada, 1–3 March 1971
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Montreal, Canada, 9–11 August 1961
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Montreal, Canada, 6–12 August 1961
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Montreal, Canada, 27 July–1 August 1961