Date | Language or dialect | Language family | Region | Notes |
20th-21st century (?) | Ayabadhu | Pama-Nyungan | Queensland, Australia | [83] |
20th-21st century (?) | Aghu Tharnggala | Pama-Nyungan | Queensland, Australia | [83] |
20th-21st century (?) | Adithinngithigh | Pama-Nyungan | Queensland, Australia | |
20th-21st century (?) | Arritinngithigh | Pama-Nyungan | Queensland, Australia | |
20th-21st century (?) | Gurnai | Pama-Nyungan | Victoria, Australia | now being revived[83] |
20th-21st century | Southern Kayapó | Macro-Jê | Mato Grosso, Brazil | Hypothesized to be the ancestor of Panará. |
late 20th century (?) | Nganyaywana | Pama-Nyungan | Australia | |
late 20th century (?) | Ngamini | Pama-Nyungan | South Australia | |
late 20th century (?) | Nila | Austronesian | Nila Island, Indonesia | Speakers were relocated to Seram due to volcanic activity on Nila[84] |
late 20th century (?) | Serua | Austronesian | Mount Serua, Indonesia | Speakers were relocated to Seram due to volcanic activity on Serua[84] |
late 20th century | Newfoundland Irish | Indo-European | Newfoundland, Canada | [85] |
late 20th century | Soyot | Turkic | Buryatia, Khövsgöl Province | Partly revitalized |
late 20th century | Saraveca | Arawakan | Eastern lowlands Bolivia | |
1980-2000 | Tepecano | Uto-Aztecan | Central Mexico | Last known speaker Lino de la Rosa was alive in 1980 |
c. 2000 | Mesmes | Afroasiatic | Ethiopia | with the death of Abegaz[86][87] |
c. 2000 | Kamarian | Austronesian | west Seram Island, Indonesia | |
2000 | Sowa | Austronesian | Pentecost Island, Vanuatu | with the death of Maurice Tabi[88] |
late 1990s | Munichi | unclassified | Loreto Region, Peru | with the death of Victoria Huancho Icahuate |
1999 | Nyulnyul | Pama-Nyungan | Australia | with the death of Carmel Charles[89] |
by 1999 | Ineseño | Chumashan | California, United States | [90] |
1998[dubious – discuss] | Yola | Indo-European | County Wexford, Ireland | |
1998 | Mlahsô | Afroasiatic | Syria; Turkey | with the death of Ibrahim Hanna[91] |
by 1998 | Skepi Creole Dutch | Dutch-based creole | Guyana | [92] |
ca. 1997 | Aribwatsa |
Lower Markham languages |
Morobe Province, Papua New Guinea |
Exact date of extinction is unknown although it is believed to be in 2000. Most descendants have switched to the Bukawa language. |
1997-98 | Ngarnka | Pama-Nyungan | Australia | |
January 1997 | Sireniki Yupik | Eskimo–Aleut | Chukotka Peninsula, Russia | with the death of Valentina Wye[93] |
1997 | Guazacapán | Xincan | Santa Rosa, Guatemala | 1 semispeaker |
1997 | Jumaytepeque | Xincan | By Volcán Jumaytepeque, Guatemala | |
ca. 1996 (?) |
Malaryan |
Dravidian |
Kerala and Tamil Nadu, India |
[94] |
16 December 1996 | Iowa-Oto | Siouan | Oklahoma and Kansas, United States | with the death of Truman Washington Dailey[95] |
1996 | Chiquimulilla | Xincan | Chiquimulilla, Guatemala | The last semi-speaker Julian de la Cruz died in 1996. |
by 1996 | Katabaga | Austronesian | Philippines | [96] |
by 1996 | Palumata | Austronesian? | Maluku, Indonesia | [97] |
before 1996 |
Seru |
Austronesian |
Sarawak, Malaysia |
[98] |
5 November 1995 | Kasabe | Niger–Congo | Cameroon | with the death of Bogon[99] |
6 August 1995 | Martuthunira | Pama-Nyungan | Western Australia | with the death of Algy Paterson[100] |
8 January 1995 | Northern Pomo | Pomoan (Hokan?) | California, United States |
with the death of Edna Campbell Guerrero |
16 May 1994 | Luiseño | Uto-Aztecan | Southern California | with the death of Villiana Calac Hyde. A revitalization process is happening. |
30 April 1994 | Sakhalin Ainu | Ainu languages | Japan | with the death of Take Asai[101] |
13 July 1993 | Eastern Abnaki | Algic | Maine, United States | with the death of Madeline Shay[102][103] |
1993 | Andoa | Zaparoan | Peru | [104] |
7 October 1992 | Ubykh | Northwest Caucasian | Balıkesir Province, Turkey | with the death of Tevfik Esenç[105] |
23 February 1991 | Roncalese (Erronkariko) dialect | Basque (isolate) | Spain | with the death of Fidela Bernat[106] |
1991 | Pánobo | Panoan | Peru | [107] |
1991 | Ullatan | Dravidian | India | [108] |
30 July 1990 | Wappo | Yuki–Wappo | California, United States | with the death of Laura Fish Somersal[109] |
1990 | Shasta | Shastan | California, United States | |
Early 1990's | Hermit | Austronesian | Manus Province, Papua New Guinea | It has been mostly replaced by Seimat. |
ca. 1990s | Inku | Indo-European | Afghanistan | [110] |
ca. 1990s | Lumaete dialect of Kayeli | Austronesian | central Maluku, Indonesia | [111] |
ca. 1990s | Taman variety of Sak | Sino-Tibetan | Myanmar | [112] |
ca. 1990s | Unggumi | Worrorra | Australia | with the death of Morndi Munro[113] |
1990s? | Berti | Saharan | Dafur and Kordofan, Sudan | |
20 September 1989 | Kamas | Uralic | Sayan Mountains, Soviet Union | with the death of Klavdiya Plotnikova |
March 1989 | Leliali dialect of Kayeli | Austronesian | central Maluku, Indonesia | [111][114] |
ca. 1989 | Hukumina | Austronesian | Maluku, Indonesia | [115] |
1989 | Miami-Illinois | Algic | along the Mississippi River, United States | |
1989 | Kungarakany | Gunwinyguan | Northern Territory, Australia | with the death of Madeline England[114][116] |
16 September 1988 | Atsugewi | Palaihnihan | California, United States | with the death of Medie Webster[117] |
1988 | ǁXegwi | Tuu | South Africa | with the death of Jopi Mabinda[118] |
ca. 1987 | Bidyara | Pama-Nyungan | Queensland, Australia | [119] |
ca. 1987 | Laua | Trans-New Guinea | Papua New Guinea | |
4 February 1987 | Cupeño | Uto-Aztecan | California, United States | with the death of Roscinda Nolasquez[120] |
1987 |
Dyangadi |
Pama-Nyungan |
New South Wales, Australia |
[121] |
1987 | Negerhollands | Dutch-based creole | U.S. Virgin Islands | with the death of Alice Stevens |
by 1987 | Basa-Gumna | Niger-Congo | Niger State/Plateau State, Nigeria | [122] |
by 1987 | Yugambal | Pama-Nyungan | Queensland, Australia | [123] |
ca. 1986 | Bikya | Niger-Congo | Cameroon | |
ca. 1986 | Bishuo | Niger-Congo | Cameroon | |
April 1986 | Jiwarli dialect, Mantharta | Pama-Nyungan | Australia | with the death of Jack Butler[124] |
1986 | Mangala | Pama-Nyungan | Western Australia | [125] |
1986 | Volow | Austronesian | Vanuatu | with the death of Wanhan[126] |
late 1980s to early 1990s | Cahuarano | Zaparoan | Along the Nanay River in Peru. | |
18 March 1984 | Deeside dialect, Scottish Gaelic | Indo-European | Scotland | with the death of Jean Bain[127] |
1984 | Yavitero | Arawakan | Venezuela | [114][128] |
February 1983 |
Antrim Irish |
Indo-European |
Ireland |
with the death of Séamus Bhriain Mac Amhlaig[129][130] |
ca. 1983 | Yangman | Australian (Wardaman isolate) | Northern Territory, Australia | [131] |
after 1983 |
Wotapuri-Katarqalai |
Indo-European |
Afghanistan |
[132] May still be spoken. |
June 1982 |
Kansa |
Siouan |
Oklahoma, United States |
with the death of Ralph Pepper |
1982 | Bala | Tungusic | Zhangguangcai Range | [133] |
1982 | Dagoman | Australian | Northern Territory, Australia | with the death of Martha Hart[134] |
by 1982 | Dyugun | Australian | Western Australia | [135] |
by 1982 | Kato | Na-Dene | California, United States | [136] |
after 1981 | Dirari | Pama-Nyungan | South Australia | [137] |
after 1981 | Dyaberdyaber | Pama-Nyungan | Western Australia | [138][139] |
after 1981 | Erre | Australian | Northern Territory, Australia | [140] |
after 1981 | Umbugarla | Arnhem Land languages or Darwin Region languages | Northern Territory, Australia | with the death of Butcher Knight |
after 1981 | Yawarawarga | Pama-Nyungan | Queensland and South Australia | [141] |
ca. 1981 | Ternateño | Portuguese Creole | Maluku, Indonesia | [142] |
1 May 1981 | Pitta Pitta | Pama-Nyungan | Queensland, Australia | with the deaths of Ivy Nardoo of Boulia[143] |
1981 |
Nagarchal |
Dravidian? |
India |
|
1981 |
Warrungu |
Pama-Nyungan |
Queensland, Australia |
with the death of Alf Palmer[144][145] |
by 1981 |
Bina |
Austronesian |
Central Province (Papua New Guinea) |
|
1980 | Twana | Salishan | Washington, United States | [114][146] |
1980 | Yalarnnga | Pama-Nyungan | Australia | |
1980s AD | Alchuka | Tungusic | Heilongjiang | |
late 1970s - 1980s[139] | Flinders Island | Pama-Nyungan | Australia | last known speaker was Johnny Flinders[144] |
between 1971 and 1981 | Kwadi | Khoe | southwestern Angola | [147] |
1970s – 1980s | Chicomuceltec | Mayan | Mexico; Guatemala | |
22 February 1979 |
Barranbinja |
Pama-Nyungan |
New South Wales, Australia |
with the death of Emily Margaret Horneville |
3 November 1977 | Shuadit | Indo-European | southern France | with the death of Armand Lunel[114][148] |
24 August 1977 | Ngawun | Pama-Nyungan | Queensland, Australia | with the death of Cherry O'Keefe[149] |
13 July 1977 | Nooksack | Salishan | Washington, United States | with the death of Sindick Jimmy[114] |
ca. 1977 | Arran Gaelic | Indo-European | Isle of Arran | With the death of Donald Craig.[150] |
ca. 1977 | Nagumi | Niger-Congo | Cameroon |
[151] |
by 1977 | Babuza | Austronesian | Taiwan |
[152] |
by 1977 | Luilang | Austronesian | Banqiao District |
[152] |
between 1976 and 1999 | Kw'adza | Afroasiatic | Tanzania | [153] |
after 1976 | Muskum | Afroasiatic | western Chad | [154] |
1975[citation needed] or 1972 | Yugh | Yeniseian | central Siberia, Soviet Union | [114][155] |
before 1975 | Homa | Niger-Congo | southern Sudan | [156] |
27 December 1974 | Manx | Indo-European | Isle of Man, British islands | with the death of Ned Maddrell. Now being revived as a second language[157] |
28 May 1974 | Selkʼnam | Chon | Tierra del Fuego, Argentina | with the death of Ángela Loij[notes 4] |
1974 | Moksela | Austronesian | Maluku, Indonesia | [158] |
before 1974 | Cacaopera | Misumalpan | El Salvador | [159] |
after 1973 | Môa Remo | Panoan | Along the Môa River of Amazonas, Peru | A word list was created in 1973. |
by 1974 |
Dicamay Agta |
Austronesian |
Luzon, Philippines |
The Dicamay Agta were killed by Ilokano homesteaders sometime between 1957 and 1974. |
9 October 1972 | Tillamook | Salishan | Oregon, United States | with the death of Minnie Scovell[114] |
5 February 1972 | Hanis | Coosan | Oregon, United States | with the death of Martha Harney Johnson[160] |
1972 | Mbabaram | Pama-Nyungan | Queensland, Australia | with the death of Albert Bennett[161] |
ca. 1970s | Cocoliche | Italian-based pidgin | Buenos Aires, Argentina | Some content survived in the lunfardo slang of Rioplatense Spanish dialect |
1970s | Damin | Constructed | Mornington Island | |
after 1968 | Paratio | Xukuruan | Pesqueira, Pernambuco, Brazil | It was spoken by a few people in Pesqueira in 1968. Loukotka (1968) |
1968 | Welsh-Romani | Romani | Wales, United Kingdom | with the death of Manfri Wood[162] |
before 1968 | Sened | Afroasiatic | Tunisia | |
after 1965 | Barngarla | Pama-Nyungan | southern Australia | with the death of Moonie Davis[163] |
24 July 1965 | Barbareño | Chumashan | California, United States | with the death of Mary Yee[164][notes 5] |
1965 | Wakawaka | Pama-Nyungan | Queensland, Australia | [165] |
ca. 1964 | Aariya | spurious | India | [166] |
10 August 1963 | Galice | Na-Dene | Oregon, United States | with the death of Hoxie Simmons |
10 January 1963 | Upper Umpqua | Na-Dene | Oregon, United States | with the death of Wolverton Orton |
1963 | Jorá | Tupi | Bolivia | [114] |
after 1962 | Xukuru | Xukuruan | Pernambuco and Paraíba, Brazil | Known from a wordlist and sketch from Geraldo Lapenda (1962). |
1962 | Wiyot | Algic | California, United States | with the death of Delia Prince[167] |
after 1961 | Wyandot | Iroquoian | Oklahoma, United States; Quebec, Canada | |
after 1961 | Pankararú | unclassified | Pernambuco, Alagoas, Brazil | Only two people remembered the language in 1961. |
after 1961 | Xocó | unclassified | Sergipe, Alagoas, Brazil | Only a few people remembered the language in 1961 It is not clear if this is a single language. |
1961 | Northeastern Pomo | Pomoan(Hokan?) | California, United States | |
1960 | Oriel dialect, Irish | Indo-European | Ireland | with the death of Annie O'Hanlon[168][169] |
1960 | Siuslaw | Isolate | Oregon, United States | with the death of Mary Barrett Elliott. Last speaker of Lower Umpqua dialect was Billy Dick[160] |
1960s | Cuitlatec | Isolate | Guerrero, Mexico | with the death of Juana Can.[170] |
1960s | Luren | Sino-Tibetan | Guizhou | |
1960s | Pirlatapa | Pama-Nyungan | South Australia | [171] |
1960s | Timor Pidgin | Portuguese creole | East Timor | [172] |
16 April 1959 | Catawba | Siouan | South Carolina, United States | with the death of Chief Sam Blue[173] |
22 September 1958 | Molala | Isolate | Oregon, United States | with the death of Fred Yelkes[160] |
1958 | Salinan | Isolate (Hokan?) | California, United States | |
1958 | Omurano | Zaparoan | Peru | [114][174] |
25 March 1957 | Natchez | Isolate | Mississippi, United States | [175] with the death of Nancy Raven.[176] The Natchez people are attempting to revive this language.[177] |
1952-1956 | Aasáx | Afroasiatic | Tanzania | [178] |
after 1954 | Tây Bồi | French-based Pidgin | Vietnam | [179][180] |
1954 | Central Kalapuya | Kalapuyan | Oregon, United States | with the death of John B. Hudson[160] |
1954 | Ifo | Austronesian | Erromanga Island, Vanuatu | with the death of James Nalig[181] |
1952 | Martha's Vineyard Sign Language | Sign language | Massachusetts, United States | with the death of Katie West |
1951 | Alsea dialect | Isolate | Oregon, United States | with the death of John Albert[160] |
ca. 1950 | Bohemian Romani | mixed language | Czechoslovakia, Central Europe | after World War II, due to extermination of most of its speakers in Nazi concentration camps. |
1950 | Kaniet | Austronesian | Manus Province, Papua New Guinea | [114][182] |
ca. 1950s | Makuva | Trans–New Guinea? | East Timor | [54] |
ca. 1950s | Kilit | Indo-European | Nakhchivan | [183] |
ca. 1950s | Pijao | unclassified | Tolima Department, Colombia | [184] |
1950s | Kepkiriwát | Tupian | Rondônia, Brazil | |
mid-20th century | Ventureño | Chumashan | California, United States | |
mid-20th century | Kawishana | Arawakan | Brazil | presumably extinct |
mid-20th century | Basay | Austronesian | Taiwan | |
mid-20th century | Sidi | Niger-Congo | Kathiawar, India; also known as Habsi. |
mid-20th century | Slovincian | Indo-European | Pomerania, Poland | |
mid-20th century | Southern Pame | Oto-Manguean | Southern Mexico | |
mid-20th century | Kipea | Macro-Gê | Eastern Brazil | |
mid-20th century | Dzubukua | Macro-Gê | Pernambuco, Brazil | |
mid-20th century | Tequiraca | Tequiraca–Canichana? | Loreto, Peru | |
around mid-20th century | Tubar | Uto-Aztecan | Northern Mexico | |
around mid-20th century? | Chico | Maiduan | Central California | |
after 1949 | Kunza | unclassified | Atacama Desert, Chile/Peru | |
after 1949 | Mikira | Cahuapanan | Loreto, Peru | A word list was made by Enrique Stanko Vráz in 1949. |
6 December 1948 | Tunica | Isolate | Louisiana, United States | with the death of Sesostrie Youchigant[185] |
after 1947 | Gafat | Afroasiatic | along the Abbay River, Ethiopia | [186] |
3 March 1940 | Pentlatch | Salishan | Vancouver Island, Canada | with the death of Joe Nimnim[114] |
28 January 1940 | Chitimacha | Isolate | Louisiana, United States | with the death of Delphine Ducloux[187] |
ca. 1940 | Eudeve | Uto-Aztecan | Sonora, Mexico | |
ca. 1940s | Chemakum | Chimakuan | Washington, United States | |
ca. 1940s | Ossory dialect of Irish | Indo-European | County Kilkenny, Ireland | |
ca. 1940s | Kitanemuk | Uto-Aztecan | California, United States | with the deaths of Marcelino Rivera, Isabella Gonzales, and Refugia Duran |
ca. 1940s | Northern Manx | Indo-European | Isle of Man | [188] |
22 May 1939 | Rumsen | Utian | California, United States | with the death of Isabel Meadows[189] |
9 May 1939 | Miluk | Coosan | Oregon, United States | with the death of Annie Miner Peterson[190] |
by or after 1939 | Judaeo-Piedmontese | Indo-European | Northwestern Italy |
|
16 January 1937 | Northern Kalapuya | Kalapuyan | Oregon, United States | with the death of Louis Kenoyer |
1937 | Yoncalla | Kalapuyan | Oregon, United States | with the death of Laura Blackery Albertson[191] |
1936 | Narungga | Pama-Nyungan | South Australia, Australia | [192] |
8 January 1935 | Biloxi | Siouan | Louisiana, United States | with the death of Emma Jackson[193] |
1934 | Juaneño | Uto-Aztecan | California, United States | |
1934 | Puelche | Chon | Argentina | with the death of Trruúlmani |
1934 | Takelma | Isolate | Oregon, United States | with the death of Frances Johnson[194] |
1933 | Gabrielino | Uto-Aztecan | California, United States | |
between 1931 and 1951 | Akar-Bale | Andamanese | Andaman Islands, India | [195] |
between 1931 and 1951 | Aka-Kede | Andamanese | Andaman Islands, India | [195] |
between 1931 and 1951 | A-Pucikwar | Andamanese | Andaman Islands, India | [195] |
after 1931 | Tonkawa | Isolate | Oklahoma/Texas/New Mexico, United States | |
after 1931 | Jaquirana Remo | Panoan | Amazonas, Brazil | A word list was made in 1931. |
after 1931 | Tuxinawa | Panoan | Acre, Brazil | A word list was made in 1931. |
by 1931 | Aka-Bea | Andamanese | Andaman Islands, India | [195] |
by 1931 | Oko-Juwoi | Andamanese | Andaman Islands, India | [195] |
after 1930 | Sensi | Panoan | right bank of Ucayali River, Peru | A word list was created by Günter Tessmann in 1930. |
c. 1930 | Mattole | Na-Dene | California, United States | |
29 January 1930 | Mutsun | Utian | California, United States | with the death of Ascencion Solorsano |
c. 1930s | Cayuse | Isolate/unclassified | Oregon, United States | |
c. 1930s | Kathlamet | Chinookan | Washington/Oregon, United States | with the death of Charles Cultee[160] |
c. 1930s | Lower Chinook | Chinookan | Washington/Oregon, United States | |
c. 1930s | Mahican | Algic | New York, United States | |
c. 1930s | Clackamas dialect of Upper Chinook | Chinookan | Washington/Oregon, United States | |
c. 1930s | Kitsai | Caddoan | Oklahoma, United States | with the death of Kai Kai[196] |
c. 1930s | Tapachultec | Mixe–Zoque | Southern Mexico | |
before 1930s | Kwalhioqua | Na-Dene | Washington, United States | |
by 1930 | Opata | Uto-Aztecan | Northern Mexico |
|
between 1920 and 1940 | Ajawa | Afroasiatic | Bauchi State, Nigeria | [197] |
25 December 1929 | Kaurna | Pama-Nyungan | South Australia | with the death of Ivaritji,[198] now being revived |
c. 1929 | Bear River | Na-Dene | California, US | |
1928 | Ottoman Turkish | Turkic | Turkey | Evolved into Turkish in 1928. |
after 1927 | Tarauacá Kashinawa | Panoan | Amazonas, Brazil | A word list was made in 1927. |
after 1927 | Blanco River Remo | Panoan | Loreto Province, Peru | A word list was made in 1927. |
after 1925 | Subtiaba | Oto-Manguean (Subtiaba-Tlapanec) | Nicaragua | |
1925 | Papuan Pidgin English | English-based pidgin | British New Guinea | [199] |
1925 | Vanji | Indo-European | Emirate of Bukhara | [200] |
January 1922 | Chimariko | Isolate | California, United States | with the death of Sally Noble[201][202] |
after 1921 | Chagatai | Turkic | Central Asia including Turkmenistan | Chagtai is still studied in Uzbekistan and Turkey.[203] |
30 June 1921 | Tataviam | Uto-Aztecan | California, United States | with the death of Juan José Fustero |
by 1921 | Aka-Kol | Andamanese | Andaman Islands, India | [204] |
After 1920 | Sinacantán | Xincan | Santa Rosa, Guatemala | A word list was created by Walther Lehmann in 1920. |
ca. 1920 | Mochica | Chimuan | northwest Peru | |
ca. 1920s | Fergana Kipchak | Turkic | Fergana Valley | [205] |
ca. 1920s | Chochenyo | Utian | California, United States | |
ca. 1920s | Island Carib | Cariban | Lesser Antilles, Caribbean Sea | An offshoot survives as Garifuna. |
around the 1920s | Otuke | Macro-Jê | Mato Grosso, Santa Cruz | |
by 1920 | Yupiltepeque | Xincan | Guatemala | [206] |
after 1917 | Pochutec | Uto-Aztecan | Oaxaca, Mexico | |
15 June 1917 | Obispeño | Chumashan | Southern California, United States | with the death of Rosario Cooper[207] |
25 March 1916 | Yahi | Isolate (Hokan?) | California, United States | with the death of Ishi[208][notes 6] |
1915 | Yamhill dialect of Northern Kalapuya | Kalapuyan | Oregon, United States | |
1910s | ǀXam | Tuu | South Africa | |
after 1908 | Siraya | Austronesian | southwestern Taiwan | [209] |
18 July 1908 | Mohegan-Pequot | Algic | southern New England, United States | with the death of Fidelia Fielding[210] |
24 February 1905 | Tasmanian | unclassified | Tasmania, Australia | with the death of Fanny Cochrane Smith[211][212][notes 7] |
after 1906 | Arazaire | Panoan | Cusco Province, Peru | A word list was recorded in 1906. |
after 1904 | Atsawaka | Panoan | Puno Province, Peru | There were 20 speakers in 1904. |
after 1902 | Dyirringany | Pama–Nyungan | New South Wales, Australia | |
between 1900 and 1920 | Chinese Kyakala | Tungusic | Northeastern China | [213] |
between 1900 and 1920 | Jangil | Ongan | Andaman Islands, India | [214] |
ca. 1900 | Henniker Sign Language | Village sign | New Hampshire, United States | |
ca. 1900 | Tongva language | Uto-Aztecan | Southern California, United States | being revived |
ca. 1900 | Payagua language | Mataco–Guaicuru? | Alto Paraguay, Paraguay | |
ca. 1900 | Moran | Sino-Tibetan | Assam, India | [215] |
1900 | Wulguru | Pama-Nyungan | Australia | |
by 1900 | Classical Mandaic | Afroasiatic | Iran; Iraq | [216] |
by 1900 | Piro Pueblo | Tanoan | New Mexico, United States | |
1900s AD | Iazychie | Indo-European | Halychyna, Bukovina, Zakarpattia | [217] |
1900s AD | Judeo-Venetian | Indo-European | Venice | [218] |
1900s AD | Rotvælsk | Indo-European | Denmark | [219] |
early 20th century | Atakapa | Isolate | Louisiana/Texas, United States | |
early 20th century | Kamakã | Macro-Jê | Bahia, Brazil | |
early 20th century | Jersey Dutch | Dutch-based creole | New Jersey, United States | |
early 20th century | Kazukuru | Austronesian | New Georgia, Solomon Islands | |
early 20th century | Kyakhta Russian–Chinese Pidgin | Chinese/Russian-based contact language | | |
early 20th century | Chaná | Charruan | Uruguay | |
early 20th century | Marawán | Arawakan | Brazil | |
early 20th century |
East Leinster dialect, Irish |
Indo-European |
Ireland |
[220] |
early 20th century | Ingain | Macro-Jê | Santa Catarina, Brazil | |
beginning of the 20th century AD | Rangas | Sino-Tibetan | Uttarakhand | [221] |