The Second Continental Congress passes the Coinage Act of 1778, regulating the alloy qualities and values of gold and silver Coin (lawful Money).
[added 2/6/2021]
Subsequent Events:
Authority:
unanimous Declaration (of Independence), Paragraph 6
ccc-2point0.com/unanimous-Declaration
References:
U.S. Banking Timeline
libertyforlife.com/banking/currency-us-timeline.html