mandelbug definition: Noun (plural mandelbugs) 1. (computing) A software bug whose behaviour appears to be chaotic. ...
The bloodiest single day of battle was Antietam (26,134 casualties). The bloodiest battle, however - which lasted three days - was Gettysburg (51,112 casualties). July 21, 1861.
Fact #7: The Battle of Gettysburg is by far the costliest battle of the Civil War but not necessarily the largest. While each of the three days of the Battle of Gettysburg rank in the top 15 bloodiest battles of the Civil Warâthe 160,000 troops present at Gettysburg are eclipsed by the more than 185,000 at Fredericksburg.