Mondo Knows Facts

NHL helmets became mandatory in 1979

Players already in the league were allowed to keep playing bareheaded The last player to go without a helmet was Craig MacTavish, who retired in 1997. Visors were grandfathered in from 2013, so players who had already begun their careers could decline them. Full face protection is mandatory only in junior and college hockey. It sits in Mondo's sports collection, one of 200 facts that each trace back to the reference below.

Where this comes from

National Hockey League

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Tags: hockey, safety, equipment

NHL helmets became mandatory in 1979: the short answers

Where does this come from, and can I check it?
Players already in the league were allowed to keep playing bareheaded. The figure is taken from National Hockey League, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a sports fact?
Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.