Yankee Conference ended in 1997.
Yankee Conference was created in 1946.
Yankee Grey ended in 2002.
Parkland Conference ended in 2006.
Virginia Conference ended in 1935.
Chesapeake Conference ended in 1937.
Conference of Ambassadors ended in 1931.
June Conference ended in 1975.
The New Yankee Workshop ended on 2009-06-27.
American West Conference ended in 1996.
Mason-Dixon Conference ended in 1974.
Bishops' Conference of Yugoslavia ended in 1993.
Mountain States Conference ended in 1962.