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 )

In July 1991, the TPLF, the Oromo Liberation Front ( OLF ), and others – established the Transitional Government of Ethiopia ( TGE ), which consisted of an 87-member Council of Representatives and guided by a national charter that functioned as a transitional constitution.

* 1993 – United States House of Representatives passes resolution to establish the North American Free Trade Agreement after greater authority in trade negotiations was granted to President George H. W. Bush in 1991.

" Some of the high honors ZZ Top have achieved include induction into Hollywood's RockWalk in 1994, the Texas House of Representatives naming them " Official Heroes for the State of Texas ", a declaration of " ZZ Top Day " in Texas by then-governor Ann Richards on May 4, 1991, and induction into the Rock and Roll Hall of Fame in 2004.

* Calvin M. Dooley graduated from Hanford Union High School in 1972 and served in the U. S. House of Representatives from 1991 to 2005.

On the national level, Alford is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Cheshire is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Clarksburg is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Dalton is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Egremont is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Florida is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Hancock is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Lanesborough is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Monterey is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Mount Washington is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, New Ashford is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, New Marlborough is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Otis is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Peru is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Richmond is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Sandisfield is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Savoy is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Sheffield is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.

On the national level, Stockbridge is represented in the United States House of Representatives as part of Massachusetts's 1st congressional district, and has been represented by John Olver of Amherst since June 1991.