- In 2379, the Valdore was one of two Mogai Escorts that aided the U.S.S. Enterprise-E against the I.R.W. Scimitar in the Battle in the Bassen Rift. The Valdore was disabled during the battle, but the Scimitar was successfully destroyed.
- In 2381-2385, Donatra creates the secessionist, independent Imperial Romulan State and serves as its Empress, with the Valdore as its flagship.
- The Valdore appears in the film Star Trek Nemesis.
- The Valdore was apparently succeeded by a Scimitar Dreadnought bearing the same name by 2387.
- The playable Valdore Heavy Warbird was named for this vessel.