General E. Kirby Smith surrenders the Confederate Army of the Trans-Mississippi to Major General Edward R. S. Canby, commanding the compulsory Union Army of the Western Mississippi, in Galveston, Texas.

       [added 4/22/2022]

Subsequent Events:

References:

Chronology Of The American Civil War
civilwarhome.com/timeline.htm

Current U.s. National Debt:

$36,167,124,467,492

Source