For the primary universe counterpart, see Battle of Cheron.

In the mirror universe, the Battle of Cheron was a major battle fought at Cheron between Earth forces and the Romulan Republic in the year 2160.

A fortnight after the battle began, Remus was utterly destroyed. The war itself, however, continued and was still ongoing when the United Empire of Planets (and possibly Imperial Starfleet) was incorporated in 2161. The battle ended in victory for Earth forces in 2162 after which all of Romulus' inhabitants committed mass suicide. (TNG novel: Dark Mirror)