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 Battle of Gettysburg was the largest and bloodiest battle ever fought in North America. More than 50,000 men fell as casualties (men listed as killed, wounded, or missing/captured). Gettysburg was the turning point of the American Civil War.