(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.
Before 1965 anyone could exchange one paper dollar for one real silver dollar. However, in 1965 the united States' mint stopped minting silver dollars. When this occurred inflation began to skyrocket. Now it takes a whole fist full of paper dollars (i.e., Federal Reserve Notes) to buy one real silver dollar.