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In the Battle of Gettysburg. The North lost about 23,000 soldiers, and the South lost about 20,400 soldiers.
Gettysburg.
And the bloodiest one-day battle was Antietam.
The first day of the Battle of Gettysburg was WednesdayJuly 1 1863.
No Gettysburg happened two years after the war started. It was the second Confederate invasion of the North.
Vicksburg