Of negro regiments in the Union army, there were the First Alabama Volunteers, afterward known as the Fifth United States Colored Infantry, the Second Alabama Volunteers (negroes), and the First Alabama Colored Artillery, afterward known as the Sixth United States Heavy Artillery, which served at Fort Pillow. Late in 1864 General Lorenzo Thomas reported that he had recently organized three regiments of colored infantry in Alabama, and Wilson organized several other negro regiments in the state in 1865. Many negroes from north Alabama went into various negro organizations, and were credited to the northern states, the official records showing only 4969 negro enlistments credited directly to Alabama. A conservative estimate would be from 2000 to 2500 whites and 10,000 negroes enlisted in Alabama, not counting those who were enrolled in the spring of 1865.[161] The white Union soldiers from Alabama were mostly poor men from the mountain counties of north Alabama. The Union troops from Alabama received no bounty.[162] The Militia System The militia system of Alabama in 1861 existed only in the statute books, and in the persons of a few brigadiers and a major-general, whose entire duty had consisted in wearing uniforms at the inauguration of a governor and ever thereafter bearing military titles. A series of Arabic numbers, something more than a hundred, was assigned to the militia regiments that were unorganized, but which, under favorable circumstances, might be enrolled and called out. The county was the unit. To each county was assigned one regiment or more according to the white population. Several counties formed a militia district under a brigadier-general, and over all was a major-general. Bodies of trained volunteers were not connected with the militia system at all, but these went at once, on the outbreak of war, into the state army, which was soon merged into the Confederate army.