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Today in History: John Diefenbaker's Party Wins Canadian Election Plurality

6/10/2025

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Summary

Story summary

On June 10, 1957, the Progressive Conservative Party, led by John Diefenbaker, achieved a significant political upset by winning a plurality of seats in the Canadian federal election. This victory ended 22 years of Liberal dominance, allowing the Tories to form a minority government despite receiving fewer overall votes than the Liberals.

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Story summary

On June 10, 1957, the Progressive Conservative Party, led by John Diefenbaker, achieved a significant political upset by winning a plurality of seats in the Canadian federal election. This victory ended 22 years of Liberal dominance, allowing the Tories to form a minority government despite receiving fewer overall votes than the Liberals.