Salford won their third Championship after beating Warrington 13-11 in the play-off final.
The Challenge Cup winners were Widnes who beat Keighley 18-5 in the final.
Salford beat Wigan 5–2 to win the Lancashire County Cup, and York beat Wakefield Trinity 9–2 to win the Yorkshire County Cup.
Widnes beat Keighley 18-5 in the final played at Wembley Stadium in front of a crowd of 47,699.
[2] The tri-nation tournament was played between November 1936 and April 1937 as single round robin games between England, France and Wales.