When did fiat start in USA?

1776? 1789? 1865? 1877? 1913? 1933? 1971?

Even during the gold standard, banks would issue notes for gold deposits but they were fractional.

A fiat system can work better without a central bank and without fractional reserve banking.

Currencies collapse because governments spend and waste tax dollars.

Fiat is imperfect like most things but taxation is worse