Languages attested from the 19th century

Kherwari language of the Austro-Asiatic family spoken by around 6.2 million people in India, Bangladesh, Bhutan and Nepal

sign language used predominately in the United States

dialect within the English language

language

pidgin language of northwest North America

Fanagalo, or Fanakalo, is a vernacular or pidgin based primarily on Zulu with input from English and a small amount of Afrikaans. It is used as a lingua franca, mainly in the gold, diamond, coal and copper mining industries in South Africa and to a lesser extent in the Democratic Republic of the Congo, Namibia, Zambia, and Zimbabwe. Although it is used as a second language only, the number of speakers was estimated as "several hundred thousand" in 1975. By the time independence came–or in the case of South Africa, universal suffrage–English had become sufficiently widely spoken and understood

form of the Latin language used since the 19th century

Dialect of Turkish language

Pichinglis, commonly referred to by its speakers as Pichi and formally known as Fernando Po Creole English (Fernandino), is an Atlantic English-lexicon creole language spoken on the island of Bioko, Equatorial Guinea. It is an offshoot of the Krio language of Sierra Leone, and was brought to Bioko by Krios who immigrated to the island during the colonial era in the 19th century.

sign language used in Ukraine

Yuri language

Petuh (Petu) is a mixed language of Flensburg, a mixture of German, Low German, Danish, and Southern Jutish spoken in Flensburg on the German–Danish border. It is High German in vocabulary (with some Danish concepts and loan translations), but it has Danish and Low Saxon grammar and syntax. It originated in the 19th century and was still vibrant in the 1950s, but it is now on the verge of extinction.

non-standard dialect of the Polish language

language

Patuet (from the French ) is the dialect of the Catalan language that was spoken in the Maghreb, mainly in Algeria, during the French administration. Mainly of Menorca, Alicante and Roussillon origin, it was characterized by French and Arabic influences and, in turn, influenced the French slang of the pied-noir. After the Pieds-noirs exodus that followed the independence of Algeria, in 1962, most of the population was dispersed throughout France (majority), Roussillon and a minority in the province of Alicante, Spain. The Fort-de-l'Eau Neighborhood Association holds an annual meeting of Algeri

Austroasiatic language of India

dialect of American Sign Language