1968 Event Canada begins replacing silver with nickel in coins 1968 Event Canada announces it will replace silver with nickel in coins 1967 Event Royal Canadian Mint ordered to start converting 10 cent and 25 cent coins to pure nickel as soon as possible 1962 Event Canada government orders changing nickel back to round shape 1931 Birthday Teresa Brewer, Toledo Ohio, singer, Put Another Nickel In 1921 Event Canadian 5 cent nickel coin is authorized 1876 Birthday James Fraser, designed buffalo nickel 1866 Event Congress authorizes nickel 5 cents piece (replaces silver half-dime) 1866 Event U.S. Treasury Department authorizes nickel
