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
European and American voyages of scientific exploration explore the Kerguelen Islands in 1840, and then on Tasmania to build a magnetic observatory for the Antarctic and to conduct cartographic work. Mount Erebus and the Ross Sea were discovered during this journey. After three attempts, Ross admitted that the magnetic pole lay in land that he could not reach. Following the footsteps of his uncle John Ross, he performed the first deep sea surveys up to 4800 m (2677 fathoms), using ropes. Unfortunately biological specimens collected decomposed. A scientific exploration in the China Sea and Indian Ocean. During the early to mid-1840s, charted numerous trade and other routes