The Congo was a region in central Africa associated with the Petro gods. (PROSE: White Darkness)
In 1842, Abasi was born in the Congo. In 1851, Professor Cedric Scrivener brought him back to the United Kingdom to work as his servant. (AUDIO: The Ghosts of Gralstead)
The Congo reminded Leela of her home planet. (AUDIO: The Ghosts of Gralstead)
A military coup took place there in the late 1960s. On an undercover mission, Thomas Banks of the Analysis Bureau pretended to have been a mercenary helping the coup. (PROSE: The Analysis Bureau)