(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.
an 1878 law passed over the veto of President Rutherford B. Hayes requiring the U.S. treasury to buy a certain amount of silver and put it into circulation as silver dollars. The goal was to subsidize the silver industry in the Mountain states and inflate prices.