12th Canadian Ministry

12th Canadian Ministry
12e conseil des ministres du Canada

12th ministry of Canada
Date formed29 December 1921
Date dissolved28 June 1926
People and organizations
MonarchGeorge V
Governor GeneralViscount Byng
Prime MinisterWilliam Lyon Mackenzie King
Member partyLiberal Party of Canada
Status in legislature (1921–1925)
Majority

(1925–1926)

Minority
Opposition partyConservative Party (historical)
Opposition leaderArthur Meighen
History
Elections1921, 1925
Legislature terms
Incoming formation1921 Canadian federal election
Outgoing formationKing–Byng affair
Predecessor11th Canadian Ministry
Successor13th Canadian Ministry

The Twelfth Canadian Ministry was the first cabinet chaired by Prime Minister William Lyon Mackenzie King. It governed Canada from 29 December 1921 to 28 June 1926, including the 14th Canadian Parliament and most of the 15th. The government was formed by the Liberal Party of Canada. Mackenzie King was also Prime Minister in the Fourteenth and Sixteenth Canadian Ministries.