Vulcan (Invasion of the Daleks)

According to one account, Vulcan was the first planet out from Sol on the Daleks' chart of the solar system as they planned to invade in 2400. (COMIC: Invasion of the Daleks) However, others believed that Mercury was the first planet, (AUDIO: The Satanic Mill) making Earth "Sol III". (TV: Voyage of the Damned)

Vulcan appeared as an exhibit in the Museum of Things That Don't Exist. One sponsor of the museum believed Vulcan was invented by Star Trek. (PROSE: The Taking of Planet 5) Vulcan was the home planet of the Vulcan species from the Federation universe (COMIC: Assimilation²) and the fictional Star Trek series. (PROSE: The Slow Empire)