when did canada stop useing silver in their coins?

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1

thats all I wanna know?

2

Just a guess, but I’d say around the mid-sixties.

3

I was pretty sure of the year, but this clinched it:

http://www.amergold.com/vault/1966CanadianSilverDollars.shtml

(same year the stopped incorporating silver into the $0.25 coins, BTW)