Anti-Miscegenation Laws Quotes
This was passed after the Civil War had ended---during Reconstruction. Many states had similar laws until the Supreme Court challenges to them in the latter half of the 20th century.
Note that Alabama not only had a law against miscegenation but with this constitution made it illegal for a legislature in the future to ever legalize miscegenation. After the Supreme Court made anti-miscegenation laws illegal, Alabama had to amend this part of its constitution.