The Battle of Spotsylvania Court House (Virginia) ends: After two weeks of fighting, General Robert E. Lee, commanding the Confederate (a voluntary union) Army of Northern Virginia, and George G. Meade, commanding the compulsory Union Army of the Potomac, fight to a draw. 

NOTE: Over 4,000 Americans lost their lives.

       [added 4/10/2022]

Subsequent Events:

References:

Bruce Catton, The Civil War, (New York: American Heritage, 1960; Boston: Houghton-Mifflin, 1987), 298.

The Battle of Spotsylvania Court House – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Battle_of_Spotsylvania_Court_House

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

Current U.s. National Debt:

$36,217,480,035,223

Source