2175

In 2175, there was a rebellion on the human colony of Agora led by Arthur Lakesmith in an attempt to usurp the Overseers, but it was swiftly ended by the Cybermen when they returned the following year. (PROSE: Killing Ground)

Behind the scenes

 * Doctor Who: Cybermen states that Telos was colonised circa 2175 by the remnants of the late CyberFaction that left the solar system after their failed attack on the Moonbase in 2070, becoming the CyberTelosians.