This disastrous assault resulted in over 6,000 (number estimated) Confederate casualties and noted the end of the battle at Gettysburg along with General Lee’s last offensive to the north (history.net, Pickett’s Charge).
In the decades that passed, Pickett’s Charge became known as the “high water mark of the Confederacy” (thoughtco.com, Pickett’s Charge). This name was given as it seemed to mark the point when the Confederacy lost any hope of winning the war (thoughtco.com, Pickett’s