Camerún Meridional
He worked to have Southern Cameroons granted special regional status apart from Nigeria; when the Southern Cameroons Regional Assembly was formed, he was one of its first members. In 1953, Endeley joined John Ngu Foncha and Solomon Tandeng Muna in breaking from the National Council of Nigeria and the Cameroons (NCNC) to form the Kamerun National Congress (KNC), which advocated autonomy for Southern Cameroons. In 1954, British Cameroons became a federal territory with its own House of Assembly and executive council.