French Federation of Speleology 10 years, named the "Bulletin of the CNS". Simultaneously, the SSF ceased publication of its periodical bulletin to provide its official information bulletin in the new "CNS". From 1952, cave training courses were organised in partnership with the Ministry of Youth Affairs and Sports. From 1953, Guy Lavaur organised cave diving activities. In conjunction with the Fédération nationale de sauvetage (National Rescue Federation), a certificate of first degree fitness was created in 1954. The first International Congress of Speleology was held in Paris from 7–12 September 1953 under the patronage of the Minister of National Education, as well as the
International Union of Speleology International Union of Speleology International Union of Speleology (, UIS) is a non-profit, non-governmental organization to promote interaction between academic and technical speleologists from a wide range of nationalities for the purpose of developing and coordinating international speleology in all of its scientific, technical, cultural and economic aspects. It formed in 1965 upon the initiative of the International Speleological Congress (held every four years since 1949) Its voting members consist of a delegate from each member country representing the cavers and speleologists of that country, rather than any of the official national bodies. Its activities take place in a number