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.
What was the bloodiest battle of the Civil War? The bloodiest battle of the U.S. Civil War was fought at Gettysburg, Pa., July 1 to 3, 1863. By the end of the engagement, Union and Confederate forces had suffered combined losses of 51,000 dead and wounded.