Starostin's ( 1991 ) lexicostatistical research claimed that the proposed Altaic groups shared about 15 – 20 % of potential cognates within a 110-word Swadesh-Yakhontov list ( e. g. Turkic – Mongolic 20 %, Turkic – Tungusic 18 %, Turkic – Korean 17 %, Mongolic – Tungusic 22 %, Mongolic – Korean 16 %, Tungusic – Korean 21 %).

A mummified man, determined to be 5, 000 years old, was discovered on a glacier at the Austrian – Italian border in 1991.

* 1919 – Billy Vaughn, American musician and bandleader ( d. 1991 )

* 1991 – Magnus Paajarvi, Swedish hockey player

* 1991 – The European Community recognizes the independence of the Baltic states of Estonia, Latvia and Lithuania.

* 1991 – Moldova declares independence from the USSR.

* 1991 – Rikiya Otaka, Japanese actor

* 1991 – Tim Berners-Lee releases files describing his idea for the World Wide Web.

* 1991 – Takako Doi, chair of the Social Democratic Party, becomes Japan's first female speaker of the House of Representatives.

* 1991 – Jiao Liuyang, Chinese swimmer

* 1902 – Zino Francescatti, French violinist ( d. 1991 )

* 1991 – Hansika Motwani, Indian actress

* 1991 – Candela Vetrano, Argentine actress and singer

* 1898 – Regis Toomey, American actor ( d. 1991 )

* 1912 – Salvador Luria, Italian-American microbiologist, Nobel Prize laureate ( d. 1991 )

* 1991 – Dave Days, American singer-songwriter and guitarist

* 1991 – Skyler Day, American actress

* 1991 – Evander Kane, Canadian ice hockey player

* Party of Labour of Albania, the sole legal political party in Albania during communist rule ( 1946 – 1991 )

History Continues, ( 1991, translated 1994 )

The Chronicle of San Juan De LA Pena: A Fourteenth-Century Official History of the Crown of Aragon ( University of Pennsylvania Press, 1991 ) ISBN 0-8122-1352-1

Category: History of the United States ( 1991 – present )

( 1991 ) Blitzkrieg !, Witness History Series.

( 1991 ) The Naming of the Beasts: Natural History in the Medieval Bestiary.

* Jelavich, Barbara, " What the Habsburg Government Knew about the Black Hand ," Austrian History Yearbook 22 ( 1991 ), pp. 131-150

History of the Church, 7 volumes ; Deseret Book Company ; ISBN 0-87579-486-6 ( 1902 – 1932 ; Paperback, 1991 )

* A Brief History of Time ( 1991 )

S. Fred Singer ", Niels Bohr Library & Archives, Center for History of Physics, April 23, 1991.

A History of Scotland ( Penguin books, 1991 ) ISBN 0-14-013649-5

The Course of French History ( 1991 ), standard French textbook excerpt and text search ; also complete text online

An Economic History of the USSR, 1917 – 1991.

* Scotland, A Concise History, Fitzroy Maclean, Thames and Hudson 1991, ISBN 0-500-27706-0

Another report on the origins and history of LCD from a different perspective until 1991 has been published by Hiroshi Kawamoto, available at the IEEE History Center.

La Malinche in Mexican Literature: From History to Myth Austin: U. of Texas Press, 1991.

* Boyer, Carl B., A History of Mathematics, Wiley ; 2nd edition, revised by Uta C. Merzbach, ( March 6, 1991 ).

" Similar criticism of Murray came from the historian Ronald Hutton, in both his 1991 book on ancient paganism, The Pagan Religions of the Ancient British Isles: Their Nature and Legacy and in his 1999 study of Wiccan history, The Triumph of the Moon: A History of Modern Pagan Witchcraft.

* A. S. Troelstra ( 1991 ), " A History of Constructivism in the 20th Century ", University of Amsterdam, ITLI Prepublication Series ML-91-05, http :// staff. science. uva. nl /~ anne / hhhist. pdf,

Envelopes of Sound: The Art of Oral History Praeger Publishers, 1991 online edition

" Journal of American History 1991 78 ( 2 ): 607-617.

* History of the Soviet Union ( 1982 – 1991 )

* Koenigsberg, Allen, The Patent History of the Phonograph, 1877 – 1912, APM Press, 1991.

), Drinking: Behavior and Belief in Modern History University of California Press, ( 1991 )

History of the Finnish Temperance Movement: Temperance As a Civic Religion ( 1991 )