1st – Washington, DC, February 1918
2nd – Portland, Oregon, September 1919
3rd – St. Louis, Missouri, September 1920
4th – Columbus, Ohio, September 1921
5th – Tulsa, Oklahoma, September 1922
6th – Montreal, Quebec, September 1923
7th – Kansas City, Missouri, September 1924
8th – Philadelphia, Pennsylvania, October 1926
9th – Milwaukee, Wisconsin, September 1928
10th – Halifax, Nova Scotia, September 1930
11th – San Diego, California, August 1932
12th – Cedar Point, Ohio, August 1934
13th – Asbury Park, New Jersey, September 1936
14th – Atlanta, Georgia, August 1938
15th – Des Moines, Iowa, September 1940
16th – Columbus, Ohio, September 1942
17th – Louisville, Kentucky, September 1944
18th – Toledo, Ohio, September 1946
19th – Houston, Texas, September 1948
20th – Milwaukee, Wisconsin, September 1950
21st – Seattle, Washington, September 1952
22nd – Miami, Florida, August 1954
23rd – Montreal, Quebec, August 1956
24th – Wichita, Kansas, August 1958
25th – Buffalo, New York, August 1960
26th – San Antonio, Texas, August 1962
27th – San Diego, California, August 1964
28th – Indianapolis, Indiana, August 1966
29th – Toronto, Ontario, August 1968
30th – Miami Beach, Florida, August 1970
31st – Los Angeles, California, August 1972
32nd – Baltimore, Maryland, August 1974
33rd – Denver, Colorado, August 1976
34th – Las Vegas, Nevada, August 1978
35th – Toronto, Ontario, August 1980
36th – Chicago, Illinois, August 1982
37th -Cincinnati, Ohio, August 1984
38th – Las Vegas, Nevada, August 1986
39th – Miami Beach, Florida, August 1988
40th – St. Louis, Missouri, August 1990
41st – Vancouver, British Columbia, August 1992
42nd – Detroit, Michigan, August 1994
43rd – Honolulu, Hawaii, August 1996
44th – Lake Buena Vista, Florida, August 1998
45th – Chicago, Illinois, August 2000
46th – Las Vegas, Nevada, August 2002
47th – Boston, Massachusetts, August 2004
48th – Toronto, Ontario, August 2006
49th – Las Vegas, Nevada, August 2008
50th – San Diego, California, August 2010
51st – Philadelphia, Pennsylvania, July 2012
52nd – Cincinnati, Ohio, July 2014
53rd – Las Vegas, Nevada, August 2016
54th – Seattle, Washington, August 2018
