... to be remembered by those who saw and heard the grand duel of the artillery. The time set for the assault was 4 A. M., but on account of the darkness and fog the order was not given till 4:45. Colonel Olcott 's report gives the part of the 121st in it: The brigade being in two lines, the 121st New York was on the right of the second line. When the order to advance was given, the regiment moved rapidly ...