When the Rome Treaty was signed in March 1957, a total of 15 OCTs existed: French West Africa, French Equatorial Africa, Saint Pierre and Miquelon, Comoros Archipelago, French Madagascar, French Somaliland, New Caledonia, French Polynesia, French Southern and Antarctic Lands, French Togoland, French Cameroons, Belgian Congo, Ruanda-Urundi, Trust Territory of Somalia, Netherlands New Guinea.