Britannica
Sources used in this answer
When did William Lyon Mackenzie King become leader of the Liberal Party of Canada?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Liberal Party of Canada
Reproduction of Canadian Prime Minister John Macdonald's office.
William Lyon Mackenzie King became the leader of the Liberal Party of Canada in 1919, following the death of Sir Wilfrid Laurier.12