In the aftermath of the New Sith Wars, during the Unification Campaigns of the 900s BBY, the final battle of the Belderone Contention took place at the Dandrian Ring. The Galactic Republic's Judicial Forces fought with distinction at the Battle of the Dandrian Ring, bringing the conflict to a violent end.
During the Galactic Civil War, Alpha-Omega was the site of the Alpha-Omega Prison, an Imperial top-security prison.
- "Dandrian's Ring" — Challenge 49
- The Essential Guide to Warfare