It was the executive order banned private ownership of gold, but it was still used as backing internationally as part of Bretton Woods agreement from the end of WW2 to Nixon closing the gold window in 71 preventing foreign governments from redeeming gold with US dollars held. (this after devaluations from 20.67$ per oz prior to FDR's act, where he immediately increased it to 35$ an oz, then was at 42 and some change by 71)
Maybe it was a series of events. Nixon closed the gold window in '71.
It was the executive order banned private ownership of gold, but it was still used as backing internationally as part of Bretton Woods agreement from the end of WW2 to Nixon closing the gold window in 71 preventing foreign governments from redeeming gold with US dollars held. (this after devaluations from 20.67$ per oz prior to FDR's act, where he immediately increased it to 35$ an oz, then was at 42 and some change by 71)