2012 | 98th Scientific Assembly and Annual Meeting: Nov. 25-30, McCormick Place, Chicago
2011 | 97th Scientific Assembly and Annual Meeting: Nov. 27-Dec. 2, McCormick Place, Chicago
2010 | 96th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, McCormick Place, Chicago
2009 | 95th Scientific Assembly and Annual Meeting: Nov. 29-Dec. 4, McCormick Place, Chicago
2008 | 94th Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, McCormick Place, Chicago
2007 | 93rd Scientific Assembly and Annual Meeting: Nov. 25-30, McCormick Place, Chicago
2006 | 92nd Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, McCormick Place, Chicago
2005 | 91st Scientific Assembly and Annual Meeting: Nov. 27-Dec. 2, McCormick Place, Chicago
2004 | 90th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, McCormick Place, Chicago
2003 | 89th Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, McCormick Place, Chicago
2002 | 88th Scientific Assembly and Annual Meeting: Dec. 1-6, McCormick Place, Chicago
2001 | 87th Scientific Assembly and Annual Meeting: Nov. 25-30, McCormick Place, Chicago
2000 | 86th Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, McCormick Place, Chicago
1999 | 85th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, McCormick Place, Chicago
1998 | 84th Scientific Assembly and Annual Meeting: Nov. 29-Dec. 4, McCormick Place, Chicago
1997 | 83rd Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, McCormick Place, Chicago
1996 | 82nd Scientific Assembly and Annual Meeting: Dec. 1-6, McCormick Place, Chicago
1995 | 81st Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, McCormick Place, Chicago
1994 | 80th Scientific Assembly and Annual Meeting: Nov. 27-Dec. 2, McCormick Place, Chicago
1993 | 79th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, McCormick Place, Chicago
1992 | 78th Scientific Assembly and Annual Meeting: Nov. 29-Dec. 4, McCormick Place, Chicago
1991 | 77th Scientific Assembly and Annual Meeting: Dec. 1-6, McCormick Place, Chicago
1990 | 76th Scientific Assembly and Annual Meeting: Nov. 25-30, McCormick Place, Chicago
1989 | 75th Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, McCormick Place, Chicago
1988 | 74th Scientific Assembly and Annual Meeting: Nov. 27-Dec. 2, McCormick Place, Chicago
1987 | 73rd Scientific Assembly and Annual Meeting: Nov. 29-Dec. 4, McCormick Place, Chicago
1986 | 72nd Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, McCormick Place, Chicago
1985 | 71st Scientific Assembly and Annual Meeting: Nov. 17-22, McCormick Place, Chicago
1984 | 70th Scientific Assembly and Annual Meeting: Nov. 25-30, Washington Convention Center, Washington, D.C
1983 | 69th Scientific Assembly and Annual Meeting: Nov. 13-18, McCormick Place, Chicago
1982 | 68th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, McCormick Place, Chicago
1981 | 67th Scientific Assembly and Annual Meeting: Nov. 15-20, McCormick Place, Chicago
1980 | 66th Scientific Assembly and Annual Meeting: Nov. 16-21, Dallas Convention Center, Dallas
1979 | 65th Scientific Assembly and Annual Meeting: Nov. 25-30, Georgia World Congress Center, Atlanta
1978 | 64th Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, McCormick Place, Chicago
1977 | 63rd Scientific Assembly and Annual Meeting: Nov. 27-Dec. 2, McCormick Place, Chicago
1976 | 62nd Scientific Assembly and Annual Meeting: Nov. 14-19, McCormick Place, Chicago
1975 | 61st Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, McCormick Place, Chicago
1974 | 60th Scientific Assembly and Annual Meeting: Dec. 1-6, Palmer House, Chicago
1973 | 59th Scientific Assembly and Annual Meeting: Nov. 25-30, Palmer House, Chicago
1972 | 58th Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, Palmer House, Chicago
1971 | 57th Scientific Assembly and Annual Meeting: Nov. 28-Dec. 3, Palmer House, Chicago
1970 | 56th Scientific Assembly and Annual Meeting: Nov. 29-Dec. 4, Palmer House, Chicago
1969 | 55th Scientific Assembly and Annual Meeting: Nov. 30-Dec. 5, Palmer House, Chicago
1968 | 54th Scientific Assembly and Annual Meeting: Dec. 1-6, Palmer House, Chicago
1967 | 53rd Scientific Assembly and Annual Meeting: Nov. 26-Dec. 1, Palmer House, Chicago
1966 | 52nd Annual Meeting: Nov. 27-Dec. 2, Palmer House, Chicago
1965 | 51st Annual Meeting: Nov. 28-Dec. 3, Palmer House, Chicago
1964 | 50th Annual Meeting: Nov. 29-Dec. 4, Palmer House, Chicago
1963 | 49th Annual Meeting: Nov. 17-22, Palmer House, Chicago
1962 | 48th Annual Meeting: Nov. 25-30, Palmer House, Chicago
1961 | 47th Annual Meeting: Nov. 26-Dec. 1, Palmer House, Chicago
1960 | 46th Annual Meeting: Dec. 4-9, Netherland-Hilton Hotel, Cincinnati
1959 | 45th Annual Meeting: Nov. 15-20, Palmer House, Chicago
1958 | 44th Annual Meeting: Nov. 16-21, Palmer House, Chicago
1957 | 43rd Annual Meeting: Nov. 17-22, Palmer House, Chicago
1956 | 42nd Annual Meeting: Dec. 2-7, Palmer House, Chicago
1955 | 41st Annual Meeting: Dec. 11-16, Palmer House, Chicago
1954 | 40th Annual Meeting: Dec. 5-10, Biltmore Hotel, Los Angeles
1953 | 39th Annual Meeting: Dec. 13-18, Palmer House, Chicago
1952 | 38th Annual Meeting: Dec. 7-12, Netherland-Plaza Hotel, Cincinnati
1951 | 37th Annual Meeting: Dec. 2-7, Palmer House, Chicago
1950 | 36th Annual Meeting: Dec. 10-15, Palmer House, Chicago
1949 | 35th Annual Meeting: Dec. 4-9, Cleveland Public Auditorium and Hotel Statler, Cleveland
1948 | 34th Annual Meeting: Dec. 5-10, Fairmont and Mark Hopkins Hotels, San Francisco
1947 | 33rd Annual Meeting: Nov. 30-Dec. 5, Hotel Statler, Boston
1946 | 32nd Annual Meeting: Dec. 1-6, Palmer House, Chicago
1945 | 31st Annual Meeting: Nov. 9-10, Drake Hotel, Chicago
1944 | 30th Annual Meeting: Sept. 25-29, Palmer House, Chicago
Scientific sessions held in conjunction with the American Roentgen Ray Society.
1943 | 29th Annual Meeting: Dec. 1-2, Drake Hotel, Chicago
1942 | 28th Annual Meeting: Nov. 30-Dec. 4, Drake Hotel, Chicago
1941 | 27th Annual Meeting: Dec. 1-5, Fairmont Hotel, San Francisco
1940 | 26th Annual Meeting: Dec. 2-6, Hotel Statler, Cleveland
1939 | 25th Annual Meeting: Dec. 11-15, Atlanta Biltmore Hotel, Atlanta
1938 | 24th Annual Meeting: Nov. 28-Dec. 2, Hotel William Penn, Pittsburgh
1937 | 23rd Annual Meeting: Sept. 13-17, Palmer House, Chicago
1936 | 22nd Annual Meeting: Nov. 30-Dec. 4, Netherland-Plaza Hotel, Cincinnati
1935 | 21st Annual Meeting: Dec. 2-6, Hotel Statler, Detroit
1934 | 20th Annual Meeting: Dec. 3-7, Hotel Peabody, Memphis, Tenn.
1933 | 19th Annual Meeting: Sept. 26-30, Palmer House, Chicago
1932 | 18th Annual Meeting: Nov. 28-Dec. 2, Haddon Hall, Atlantic City, N.J.
1931 | 17th Annual Meeting: Nov. 30-Dec. 4, New Jefferson Hotel, St. Louis
1930 | 16th Annual Meeting: Dec. 1-5, Ambassador Hotel, Los Angeles
1929 | 15th Annual Meeting: Dec. 2-6, Royal York Hotel, Toronto, Ontario, Canada
1928 | 14th Annual Meeting: Dec. 3-7, Drake Hotel, Chicago
1927 | 13th Annual Meeting: Nov. 28-Dec. 2, Hotel Roosevelt, New Orleans
1926 | 12th Annual Meeting: Nov. 29-Dec. 4, Milwaukee Auditorium, Milwaukee
1925 | Mid-annual Meeting: May 22-23, Hotel Chalfonte-Haddon Hall, Atlantic City, N.J.
11th Annual Meeting: Dec. 7-11, Hotel Cleveland, Cleveland
1924 | Mid-annual Meeting: June 6th and 7th, at Hotel Sherman, Chicago
10th Annual Meeting: Dec. 8-12, New Baltimore Hotel, Kansas City, Mo.
1923 | Mid-annual Meeting: Jan. 22-23, Polk Hall Civic Auditorium, San Francisco
9th Annual Meeting: Dec. 3-7, Rochester, Minn.
1922 | Mid-annual Meeting: May 19-20, Planters Hotel, St. Louis
8th Annual Meeting: Dec. 4-8, Hotel Statler, Detroit
1921 | Mid-annual Meeting: June 3-4, Copley Plaza Hotel, Boston
7th Annual Meeting: Dec. 6-10, Hotel Sherman, Chicago
1920 | Mid-annual Meeting: April 23-24, Oriental Consistory Cathedral, New Orleans
6th Annual Meeting: Dec. 15-17, Hotel Sherman, Chicago
1919 | Mid-annual Meeting: June 5-6, Hotel Statler, Cleveland
5th Annual Meeting: Dec. 10-12, Hotel Sherman, Chicago
1918 | Mid-annual Meeting: June 27-28, Hotel Antlers, Colorado Springs, Colo.
4th Annual Meeting: Nov. 20-22, Hotel Sherman, Chicago
1917 | Mid-annual Meeting: July 20-21, Hotel Baltimore, Kansas City, Mo.
3rd Annual Meeting: Jan. 24-26, 1918, Congress Hotel, Chicago
1916 | Mid-annual Meeting: June 9-10, Planters Hotel, St. Louis
2nd Annual Meeting: Feb. 16-17, 1917, Hotel Sherman, Chicago
1915 | Organization Meeting: Dec. 15-16, 1916, Chicago