Introduction to the Fifty-fourth Regiment Monument: There is a relief on the north side of the green space, which commemorates the black heroes of the "Fifty-fourth Regiment" during the American Civil War. The "Fifty-fourth Regiment" was the first regiment composed of black people. , in order to liberate the black slaves in the South and defend the unity of the North and the South, he set off from Boston to the battlefield. In the battle to attack South Carolina, half of the entire regiment was sacrificed.