History of the Native North American languages (Timeline)

The Indigenous languages of the Americas are the languages that were spoken by the Indigenous peoples of the Americas before the arrival of non-Indigenous peoples. Over a thousand of these languages are still spoken today, while many more are now extinct. These languages cannot all be demonstrated to be related to each other and are classified into a hundred or so language families (including a large number of language isolates), as well as a number of extinct languages that are unclassified because of a lack of data. Many proposals have been made to relate some or all of these languages to each other, with varying degrees of success. The most widely reported is Joseph Greenberg’s Amerind hypothesis, which, however, nearly all specialists reject because of severe methodological flaws; spurious data; and a failure to distinguish cognation, contact, and coincidence. According to UNESCO, most of the Indigenous languages of the Americas are critically endangered, and many are dormant (without na