United States national motto has not ruled on the issue. United States national motto The modern motto of the United States of America, as established in a 1956 law signed by President Dwight D. Eisenhower, is "In God We Trust". The phrase first appeared on U.S. coins in 1864. The 1956 law was the first establishment of an official motto for the country, although E Pluribus Unum ("from many, one") was adopted by an Act of Congress in 1782 as the motto for the Seal of the United States and has been used on coins and paper money since 1795. A phrase similar to
Metrication in the United States Metrication in the United States Metrication (or metrification) is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units. Although all U.S. customary units have been redefined in terms of SI units, as of 2018 the United States is one of only seven countries, including Myanmar (Burma), Liberia, Palau, the Marshall Islands, the Federated States of Micronesia, and Samoa that have not officially adopted the metric system as the primary means of weights and measures. The United States has official legislation for metrication; however, conversion