Democratic (constitutionalist) President Pierce signs the Coinage Act of 1857 Act, removing the legal tender status of foreign gold and silver Coins (lawful Money).  Foreign coins are still permitted for voluntary transactions between two parties, as no debt is incurred.  But for the settlement of debts, legal tender must be used.

       [added 2/21/2021]

Subsequent Events:

3/1/1861                  4/22/1864                    7/5/1865

Authority:

References:

Current U.s. National Debt:

$36,161,621,015,445

Source