(plural paradigm shifts) 1  A radical change in thinking from an accepted point of view to a new one, necessitated when new scientific discoveries produce anomalies in the current paradigm. ( US) A radical change in thinking from an accepted point of view to a new belief.
The use of IN GOD WE TRUST has not been uninterrupted. The motto disappeared from the five-cent coin in 1883, and did not reappear until production of the Jefferson nickel began in 1938. Since 1938, all United States coins bear the inscription.
8 Things You May Not Know About American Money. On February 25, 1863, President Abraham Lincoln signed the National Banking Act (originally known as the National Currency Act), which for the first time in American history established the federal dollar as the sole currency of the United States. On the lawâs 150th anniversary, explore eight surprising facts about American money.