Factual error: When the 54th Mass. marches past a liberated plantation some black children wave them on. One of them is wearing a digital wristwatch.

Continuity: Just before the final battle begins, the shots pan several times from Shaw, to the sea, and then to the fort. When the camera angle is looking at Shaw, the sky is bright blue. When it shifts to the ocean, the sky instantaneously becomes brownish tan, and then becomes a dismal gray behind the fort.

Continuity: During the first battle in the woods, the Union Regiment levels their un-bayonetted weapons and fires a volley at the Confederates. About 3 seconds later, without the order having been given, they are in hand to hand combat with bayonets fixed.

Factual error: In the assault on Fort Wagner, the regiment attacks the fort from the wrong side.   In reality, the troops attacked from the south.

Factual error: The 54th Mass. actually consisted of educated, middle-class Northern blacks, not illiterate, runaway slaves as depicted in the film.