2018-01-13 UTC
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bear confirmed via wikipedia: "By the end of the 20th century, Fahrenheit was used as the official temperature scale only in the United States (including its unincorporated territories), its freely associated states in the Western Pacific (Palau, the Federated States of Micronesia and the Marshall Islands), the Bahamas, Belize, and the Cayman Islands.[3] All other countries in the world now use the Celsius scale, ..."