Jay Cooke and Company investment bank files for bankruptcy, after having overextended itself in railroad securities.  This touches off the three year long Panic of 1873.

       [restored 5/8/2022]

Subsequent Events:

4/22/1874                   5/28/1894                  3/10/1933

References:

Current U.s. National Debt:

$36,167,124,467,492

Source