This category collects all articles concerning the Known Worlds as a whole.
“The capital and heart of the Known Worlds is located in Byzantium Secundus. As the Imperial...Byzantium Secundus
“Shared between the Vau Hegemony and the Known Worlds, Manitou is the home of several psychic...Manitou
“Ruled by the minor House Keddah, Grail is the homeworld of the various races of bird-like Etyri...Grail