…he first black regiment raised in the North, and hoped to see them march down Manhattan’s Broadway to the music of “Old John Brown.” Colored Citizens, to Arms! Francis & Loutrel. M1975.387.1. Brooklyn Historical Society. After the Emancipation Proclamation went into effect, the Union Army began allowing African American men to enlist for the first time. Despite receiving lower wages, poor supplies, and lesser chances for promotion than their…