Cenotaph was a planet located in the Eta Eridani sector block. It was colonized by the Gorn and became a vassal state of the Klingon Empire after the conquest of the Gorn Hegemony in 2403. (STO novel: The Needs of the Many) In 2409, Cenotaph was among the worlds of the former Gorn Hegemony where parts of the population rebelled openly against the Klingons. The KDF dispatched an assault squad to suppress the uprising. Their chance at succeeding was in excess of fifty percent. (STO mission: "Suppress Gorn Uprising on Cenotaph")