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
Exploration of the Pacific Cook set a high standard of scientific exploration, showed that there was no large land mass in the southern ocean, mapped the two largest island groups in the Pacific and by following the east coast of Australia and the west coast of North America closed the last gaps in European knowledge of the Pacific coasts. After Cook everything was detail. Cook's rivals and successors: Several governments sponsored Pacific expeditions, often in rivalry or emulation of Captain Cook. At the time of Cook's first voyage, in 1766-69 Louis Antoine de Bougainville crossed the Pacific and publicized Tahiti and in 1767 Samuel