Which battle had the bloodiest day of combat in U.S. Army history?

The Battle of Antietam remains to this day the bloodiest single day of battle in U.S. history. The battle took place on September 17, 1862, and resulted in a total of 22,717 dead, wounded, or missing soldiers on both sides.

Asked by Beth Meberg · Last updated 5 years ago · 697.9K views · SOURCE