The Directory, of the Republic of France, orders the repeal of the legal tender statutes, and a “free float” between lawful Money (gold and silver Coin) and the paper Assignat (a Bill of Credit) which had been trading on the black market at the rate of 50:1.

       [added 10/30/2021]

Subsequent Events:

References:

Assignats—Fiat Money Inflation in France
oll.libertyfund.org/titles/white-fiat-money-inflation-in-france

Current U.s. National Debt:

$36,167,124,467,492

Source