The Second Battle of Tershin began the reconquest of the Romasi sector from the Tetrarchy of Mezlagob during the Great Liberation. Following on its victory at the Battle of Tizgo V, the Golden Empire began a campaign to capture not only the rest of the Xoquon sector, but also its own planets that circumstance had forced it to abandoned. Tershin was selected as an ideal strike point from which to take the other systems.