Loonie with a Robert-Ralph Carmichael design of a common loon floating in water. The coin was immediately nicknamed the "loonie" across English Canada, and became known as a "huard", French for "loon", in Quebec. The loonie entered circulation on June 30, 1987, as 40 million coins were introduced into major cities across the country. Over 800 million loonies had been struck by the coin's 20th anniversary. Two years after the loonie's introduction, the Bank of Canada ceased production of the dollar banknote. The final dollar bills were printed on June 30, 1989. Initial support for the coin was mixed, but withdrawing
Trillion dollar coin Treasury in 1996. Laurence Tribe, a constitutional law professor at Harvard Law School, said the legal basis of the trillion dollar coin is sound and that the coin could not be challenged in court as no one would have standing to do so. Professor Jonathan H. Adler of the Case Western Reserve University School of Law has said that he believes the legality of the trillion dollar coin to be dubious. The idea for the Treasury Department to mint a coin and send it to the Federal Reserve in order to pay off the debt was first popularized by Populist