The Anian War was the longest and most bloody conflict known fought on Anio I. As of 2475 it had lasted 716 years and costed over 180,000,000 lives. The war's length and technological evolution lead it to be a historical, sociological and anthropological attraction. This growing to the point that all vessels were limited to orbiting 500 km above the planets surface. Any vessels below that were usually chased back up by intense weapons fire.