This is basically all you need to know about the OLRA. Guess which year it was brought in.
From the history of the Ontario Labour Relations Board:
The Board had its beginnings in 1943, when the Ontario Legislature passed the Collective Bargaining Act, one of the first attempts in Canada to institute an effective scheme of compulsory collective bargaining.
Check out 1943 compared to the following year once the effects of the Act would have bee felt…
(The red line is union membership.)
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