Earth is the third orbital planet in the Solar System, also reffered as "Taul'ra" by many species. It is also known to be inhabited by many sentient species throughout history; the known species to inhabit the planet throughout history were the Sha'dahls, Humans, Kronan Ree and the Djinn. Millions years ago of it was once thecapital of the Sha'dahl Empireuntil a catastrophic event that nearly wiped out all life. It recovered and was monitored by the original natives as new species evolved. After the U'mmit War, became a religious icon to some races that orginated from; calling it the "Holy lands".
Over thousands of years have passed, the four dominant races had finally put aside their differences to form an orgnaization of four major powers at the coming invasion of the Zon Ghouls, founding the Sol Confederacy.