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.
Okinawa became the bloodiest battle of the Pacific War. More than 100,000 Japanese died, a frightening number matched only by the tally of unfortunate Okinawan citizens who perished in the fighting. Army casualties of more than 4,600 dead and 18,000 wounded were almost equaled by 3,200 Marines dead and 13,700 wounded.