Which was the first state to allow people of color to form regiments in the union army?

Massachusetts was the first state to allow people of color to form regiments in the Union Army during the Civil War. This occurred with the establishment of the 54th Massachusetts Infantry Regiment in 1863, which was one of the first official African American units in the United States. The regiment gained fame for its brave assault on Fort Wagner in South Carolina, showcasing the significant contributions of Black soldiers to the Union effort.