The Associated Press: Pledge, Motto Cases to Be Heard by Court:
"Congress first authorized a reference to God on a two-cent piece in 1864. In 1955, the year after lawmakers added the words 'under God' to the Pledge of Allegiance, Congress passed a law requiring all U.S. currency to carry the motto 'In God We Trust.'"NorCal Atheist Takes Pledge Case Back To Court:
(Michael) Newdow claims the references to God violate the constitutional ban on government establishment of religion.Michael Newdow - Wikipedia.