We should have gone metric in the 70s. This year will be the 45th anniversary of the Metric Conversion Act, which was signed on December 23, 1975, by President Gerald R. Ford. You may have even seen a map that has been incriminatingly illustrated to show how they are out of step with the rest of the world. It’s a compelling story and often repeated, but you might be surprised to learn that it’s simply untrue!