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 )

) Revolutions and the Revolutionary Tradition in the West 1560 – 1991, Routledge, London.

The First Liberian Civil War, instigated by Charles Taylor and the National Patriotic Front of Liberia ( NPFL ) on December 24, 1989, eventually spread to neighboring Sierra Leone in 1991 when dissidents of the Revolutionary United Front ( RUF ), led by Foday Sankoh, began using Liberia as a staging ground for NPFL backed military assaults on border towns in Sierra Leone.

* 1991 – The capital city of Addis Ababa, falls to the Ethiopian People's Revolutionary Democratic Front, ending both the Derg regime in Ethiopia and the Ethiopian Civil War.

During the long Sierra Leone civil war which the government fought against the Revolutionary United Front from 1991 – 2002, the 1992 Sierra Leonean coup d ' état brought the armed forces into power again.

* The Sierra Leone Civil War ( 1991 – 2002 ) came to an end when the Revolutionary United Front ( RUF ) finally laid down their arms.

** John McCarthy is kidnapped in Beirut ( released in August 1991 ) – 3 others are found dead ; Revolutionary Cells ( RZ ) claims responsibility in retaliation for the U. S. bombing of Libya.

In May 1991, the Ethiopian People's Revolutionary Democratic Front ( EPRDF ) forces advanced on Addis Ababa from all sides, and Mengistu fled the country with 50 family and Derg members.

On November 12, 2005, most of the provisional grouping ( independent members, and members of the Alliance for Workers ' Liberty, Alliance for Green Socialism, the Communist Party of Great Britain ( not to be confused with the former CPGB which dissolved in 1991 ), the Democratic Socialist Alliance, the Republican Communist Network ( Scotland ), the Revolutionary Democratic Group, the Socialist Unity Network, the United Socialist Party, and the Walsall Democratic Labour Party ) met again and claimed the name of the Socialist Alliance for a re-founded political organisation, registered with the Electoral Commission.

Foday Saybana Sankoh ( October 17, 1937 – July 29, 2003 ) was the leader and founder of the Sierra Leone rebel group Revolutionary United Front ( RUF ) in the 11-year-long Sierra Leone Civil War, starting in 1991 and ending in 2002.

The Revolutionary United Front ( RUF ) was a rebel army that fought a failed eleven-year war in Sierra Leone, starting in 1991 and ending in 2002.

* Chris Harman ( 1991 ) The Revolutionary Paper, SWP, ISBN 0-905998-78-2

Zafy became head of the High Authority of the State, which, along with the Social and Economic Recovery Council, replaced the Supreme Revolutionary Council and the National Assembly during the 1991 – 1993 transitional period.

The Revolutionary United Front ( RUF ) led by Foday Sankoh began their first attack on the 25 March 1991 in Buedu villages in Kailahun District.

Berhanu Bayeh currently resides in the Italian Embassy in Addis Ababa where he has obtained safe haven after the Ethiopian People's Revolutionary Democratic Front army entered Addis Ababa May 28, 1991.

Towards the end of January 1991, a coalition of rebel forces, the Ethiopian People's Revolutionary Democratic Front ( EPRDF ), launched Operation Tewodros, which led to their capture of Gondar, the ancient capital city, Bahar Dar and Dessie.

As part of Operation Tewodros near the end of the Civil War, Gondar was captured by the Ethiopian People's Revolutionary Democratic Front in March 1991.

On 30 June 1989, however, military officers under then Col. Omar Hassan al-Bashir, with National Islamic Front ( NIF ) instigation and support, replaced the Sadiq al-Mahdi government with the Revolutionary Command Council for National Salvation ( RCC ), a military junta of 15 military officers ( reduced to 12 in 1991 ) assisted by a civilian cabinet.

The Somali Revolutionary Socialist Party (, XHKS, Al-Hizb Al-Ishtiraki Al-Thawri Al-Sumal ) was the governing political party in Somalia from 1976 to 1991.

In the spring of 1991, Mengistu Haile Mariam's regime ( in Ethiopia ) was overthrown by the Khartoum backed Ethiopian rebels ( Ethiopian People's Revolutionary Democratic Front ).

The leadership of the TPLF claims that the MLLT dissolved when the TPLF-backed Ethiopian People's Revolutionary Democratic Front took power after the collapse of the Derg in 1991.

* The overthrow of Emperor Haile Selassie I of Ethiopia by Mengistu Haile Mariam who then set up one-party Marxist-Leninist rule in Ethiopia by the communist Workers ' Party of Ethiopia, 1977 – 1991, until they were defeated and expelled by the Ethiopian People's Revolutionary Democratic Front during a subsequent civil war.

After fighting alongside the Sierra Leonean army against the Revolutionary United Front ( RUF ), ULIMO forces entered western Liberia in September 1991.

The RCCA along with others formed the Revolutionary Communist Organization of Afghanistan, which in 1991 proclaimed the establishment of the Communist Party of Afghanistan.

After a year in Liberia as an ECOMOG soldier, the Sierra Leone Government ordered Bio and several members of Sierra Leonean soldiers serving in Liberia to immediately return to Sierra Leone and report to the army barracks in Daru, Kailahun District as a member of a 600 battalion of soldiers set up by President Momoh in order to squash a rebellion by rebels known as the Revolutionary United Front ( RUF ) that had just begun in villages in Jaluahun Chiefdom, Kailahun District in Eastern Sierra Leone in March 1991.