(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.
The Pittman Act of 1918 required the U.S. Mint to begin striking more silver coins once again. Initially, in 1921, the older Morgan design was used, but the desire for a new coin design led to the creation of the so-called âPeace Dollar.â.