(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.
Eventually, the non-legal tender status of the copper coins did lead to a problem that wasn't solved until the 1850's. The first coin struck by the United States was the half dime (originally spelled disme) on or prior to July 13, 1792, shortly before construction of the Mint facility had even started. Legend has it that the silver to produce the half dime was donated by George and Martha Washington.