ocr: Pickett's Charge. Getysburg-considered byr many to be - the greatest single Civil War battle-was fought on July - 1-3,1863.0n July 3,some 15,000 Confederate soldiers, led by Major General George Pickett, attacked the Union A position on Cemetery Ridge. Known as Picket's Charge, - - - - this clash marked the end oftl the Battle of Gettysburg. - Union casualties were about 23,000 - and conrederates numbered more than 20,000.