(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.
On July 14, 1969, David M. Kennedy, the 60th Secretary of the Treasury, and officials at the Federal Reserve Board announced that they would immediately stop distributing currency in denominations of $500, $1,000, $5,000 and $10,000. Production of these denominations stopped during World War II.