What Is 27th Legislative Assembly of Ontario

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Last updated: April 15, 2026

Quick Answer: The 27th Legislative Assembly of Ontario convened from 1963 to 1967, following the 1963 provincial election. It was dominated by the Progressive Conservative Party under Premier John Robarts.

Key Facts

Overview

The 27th Legislative Assembly of Ontario was a pivotal session in the province’s mid-20th-century political evolution. It began after the general election held on September 2, 1963, and lasted until the next election in 1967.

This Assembly operated during a period of significant social and legislative change, reflecting broader national trends in education, healthcare, and language rights. The Progressive Conservative Party, led by Premier John Robarts, maintained a strong majority throughout the term.

How It Works

The structure and function of the Legislative Assembly followed standard parliamentary procedures, with a Speaker presiding over debates and legislation introduced by cabinet ministers.

Comparison at a Glance

The 27th Assembly can be better understood by comparing it with adjacent legislative sessions in terms of party composition, key legislation, and duration.

Legislative AssemblyYears ActiveSeats (PC)Seats (Opposition)Major Legislation
26th (1959–1963)1959–19637038 (Liberal)Highway 401 expansion, education modernization
27th (1963–1967)1963–19677039 (NDP 19, Liberal 20)Medicare expansion, French interpretation
28th (1967–1971)1967–19717137 (NDP 20, Liberal 17)Environmental protection laws, university funding
25th (1955–1959)1955–19597137 (Liberal)Infrastructure development, tax reform
30th (1975–1977)1975–19775157 (NDP 38, Liberal 19)Labour reforms, rent control

While the Progressive Conservatives maintained consistent strength during the 1960s, the 27th Assembly stood out for its progressive social policies. Unlike earlier sessions focused on infrastructure, this term emphasized human services and inclusivity, setting a precedent for future reforms.

Why It Matters

The 27th Legislative Assembly played a crucial role in shaping modern Ontario through progressive legislation and institutional innovations. Its legacy endures in today’s healthcare and education systems.

The 27th Legislative Assembly remains a benchmark for effective, forward-thinking governance in Ontario’s history.

Sources

  1. WikipediaCC-BY-SA-4.0

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