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.
The first day in itself ranks as the 12th bloodiest battle of the Civil Warâwith more casualties than the battles of Bull Run and Franklin combined. Fact #3: The Second Dayâs Battle was the largest and costliest of the three days.