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After World War II, there was a large increase in underwater sports in Spain, including scuba diving and spear fishing.In response, The National Office of Physical Education and Sports (the official body governing sports in Spain at that time) ordered the creation of "The Underwater Activities Committee" in 1947.
There were two additional unusual swimming events (although common at the time): an obstacle swimming course in the Seine river (swimming with the current), and an underwater swimming race. The 4000 m freestyle was won by John Arthur Jarvis in under one hour, the longest Olympic swimming race until the 10k marathon swim was introduced in 2008.
Confédération Mondiale des Activités Subaquatiques (CMAS; known in English as the World Underwater Federation) is an international federation that represents underwater activities in underwater sport and underwater sciences, and oversees an international system of recreational snorkel and scuba diver training and recognition.
The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment.
Scuba diver of the late 1960s. The history of scuba diving is closely linked with the history of diving equipment.By the turn of the twentieth century, two basic architectures for underwater breathing apparatus had been pioneered; open-circuit surface supplied equipment where the diver's exhaled gas is vented directly into the water, and closed-circuit breathing apparatus where the diver's ...
The history of breath-hold diving goes back at least to classical times, and there is evidence of prehistoric hunting and gathering of seafoods that may have involved underwater swimming. Technical advances allowing the provision of breathing gas to a diver underwater at ambient pressure are recent, and self-contained breathing systems ...
SSI was founded by Robert Clark in 1970. [2] SSI headquarters was in Fort Collins, Colorado, and it is owned by Concept Systems International, Inc.In 2008, it was acquired by Doug McNeese, owner of the National Association of Scuba Diving Schools (USA) until its merger with SSI in 1999, and Robert Stoss, manager of Scubapro and Seemann Sub.
NOB - Nederlandse Onderwatersport Bond – Dutch governing body for underwater sports (Dutch Underwater Federation) CMAS code NED/F00 [2] [5] NUWF - Namibia Underwater Federation CMAS code NAM/F00 [2] PADI - Professional Association of Diving Instructors – Recreational diver training and certification agency EUF CB 2004001 [7] [8] [18]