The 31st Canadian Parliament was a briefly lived parliament in session from October 9 until December 14, 1979. The membership was set by the 1979 federal election on May 22, 1979, and it was dissolved after the minority government of Joe Clark failed to pass a Motion of Confidence on December 13, 1979. The dissolution of parliament led to the 1980 federal election. Lasting only 66 days from first sitting to dissolution, and only nine months from election to election, the 31st was the shortest parliament in Canadian history. There was only one session of the 31st Parliament: