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Tribe Yawalapití Language
Yawalapití Language tribe living in the Amazon basin in Brazil, now has no more than 200 people. The first recorded mention of it in 1887. Then the village was like a small farm, and the locals did not have much food and water. Despite the fact that in the neighborhood of Yawalapití Language reside three tribal inhabitants of a settlement almost became extinct in 1954. Then their number was only 25 chelovek.
See also: In the Himalayas found tribes speaking an unknown language earlier. In 1962, in Tanzania, more than 1,000 people affected by the epidemic of laughter. Archaeologists have found a tablet with the ancient language of the MDM did not know.
Source: www.ridus.ru/news/32855/