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The ISO 4217 currency code for Canada Dollar.
ISO 4217 code for the Canadian dollar. The dollar traces its antecedents to the dollar of the Province of Canada, which was issued in 1858 and gradually adopted by the territories of British North America as they formed modern Canada over the course of the next century. The Canadian dollar was pegged to the United States dollar at various values, often at par, until 1950. The currency began to float that year, though it briefly reverted to the U.S. dollar peg between 1962 and 1970.