The legislature sat from February 18, 1937, to March 12, 1941.
[1] The Liberal-Progressive Party led by John Bracken formed a minority government with the support of Social Credit members.
[2] Errick Willis of the Conservatives was Leader of the Opposition.
[3] Robert Hawkins served as speaker for the assembly.
[1] There were five sessions of the 20th Legislature:[1] William Johnston Tupper was Lieutenant Governor of Manitoba until November 1, 1940, when Roland Fairbairn McWilliams became lieutenant governor.