And also the devaluation of the dollar against gold in 1933. https://en.wikipedia.org/wiki/Executive_Order_6102 https://en.wikipedia.org/wiki/Executive_Order_61

And also the devaluation of the dollar against gold in 1933. https://en.wikipedia.org/wiki/Executive_Order_6102 https://en.wikipedia.org/wiki/Executive_Order_6102 Although the graph doesn't slow much loss of purchasing power until the U.S. entered World War 2.