They were organised as the Cyberlord Hegemony, which existed as one of the major political powers during the time of the Union. (PROSE: The Crystal Bucephalus) The Hegemony was ruled by an Emperor Brandt and utilised the ArcHive, a supercomputer created in the 100th century. (PROSE: The Quantum Archangel) They had been peaceful for several centuries before the 101st century, when the Cybermen had nearly died out. (PROSE: Synthespians™)