* National Day or Den ' Nezalezhnosti, celebrates the independence of Ukraine from the Soviet Union in 1991.

National Tree Planting Day is in November since 1991.

Two years later, he received the prestigious National Order of the Legion of Honor, and in 1991, was awarded the First Class Order of the Sacred Treasure from the Emperor of Japan.

Prince Sihanouk, President of the Supreme National Council of Cambodia ( SNC ), and other members of the SNC returned to Phnom Penh in November 1991, to begin the resettlement process in Cambodia.

Due to mounting political pressure, in 1991 President Kolingba announced the creation of National Commission to rewrite the constitution to provide for a multi-party system.

In February 1991 Aylwin created the National Commission for Truth and Reconciliation, which released in February 1991 the Rettig Report on human rights violations committed during the military rule.

On July 5, 1991, the National League approved Denver and Miami, Florida, as the sites for two expansion teams to begin play in 1993.

Dublin is home to the National College of Art and Design, which dates from 1746, and Dublin Institute of Design, founded in 1991.

The name and logo for EFTPOS in Australia were originally owned by the National Australia Bank and were trade marks from 1986 until 1991.

After further review by a constitutional committee and the National Assembly, this document came into force in March 1991.

Under the 1991 constitution, in the event of the president's death, the Prime Minister, the National Assembly president, and the defense minister were to share power until a new election could be held.

After approval by the National Assembly, the PDG Central Committee, and the president, the Assembly unanimously adopted the constitution in March 1991.

Under the 1991 constitution, in the event of the president's death, the prime minister, the National Assembly president, and the defense minister share power until a new election is held.

After further review by a constitutional committee and the National Assembly, this document came into force in March 1991.

In 1991, the CMRN was replaced by a mixed military and civilian body, the Transitional Council for National Recovery ( CTRN ), with Conté as president and a mandate to manage a five-year transition to full civilian rule.

In Guinea-Bissau in 1989, the ruling African Independence Party of Guinea and Cape Verde ( PAIGC ) under the direction of President João Bernardo " Nino " Vieira began to outline a political liberalization program which the People's National Assembly approved in 1991.

After the 1991 Haitian coup d ' état which toppled Aristide for the first time, members of the coup regime, notably Chief of National Police Michel François, were accused of drug smuggling.

In 1988 and 1991 in Moscow, the delegation visited the National Congress of Honduras.

In December 1991, Polgár qualified as a Grandmaster by winning the Hungarian National Championship, at the time the youngest ever at 15 years, 5 months to have achieved the title.

* National Association of Trade and Technical Schools National Hall of Fame, 1991

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.

( The Atlanta Braves also did this in 1991, in the National League ).

* 1991 – The Revolutionary United Front, with support from the special forces of Charles Taylor ’ s National Patriotic Front of Liberia, invades Sierra Leone in an attempt to overthrow Joseph Saidu Momoh, sparking a gruesome 11-year Sierra Leone Civil War.

In 1991, the London Science Museum built a complete and working specimen of Babbage's Difference Engine No. 2, a design that incorporated refinements Babbage discovered during the development of the Analytical Engine.

Sheldrake in his book The Rebirth of Nature: New Science and the Revival of Animism ( 1991 ) has claimed that Morphic fields " animate organisms at all levels of complexity, from galaxies to giraffes, and from ants to atoms ".

In October 1991, after a series of conflicts over the boundaries between Christian Science teachings and his journalistic independence, John Hart resigned.

This work lead the Science Museum to construct a working difference engine No. 2 from 1989 to 1991, under Doron Swade, the then Curator of Computing.

One of the first digital video products to run on personal computers was PACo: The PICS Animation Compiler from The Company of Science & Art in Providence, RI, which was developed starting in 1990 and first shipped in May 1991.

* Best Science Fiction Novel ( 1991 ): The Fall of Hyperion

* Honorary Doctor of Technical Science, Swiss Federal Institute of Technology, ETH Zurich ( 1991 )

, is a 1991 Japanese Science Fiction Kaiju film produced by Toho.

A reconstruction of the Difference Engine II, an earlier, more limited design, has been operational since 1991 at the London Science Museum.

For a few years, Activision continued to market Infocom's classic games in collections ( usually by genre, such as the Science Fiction collection ); in 1991, they published The Lost Treasures of Infocom, followed in 1992 by The Lost Treasures of Infocom II.

Peter W. Huber presented an exposition of the phrase with respect to litigation in his 1991 book Galileo's Revenge: Junk Science in the Courtroom.

* Sudan University of Science and Technology, one of the leading engineering and technology schools in Sudan, founded in 1932 as Khartoum Technical Institute and has been given its present name in 1991.

In 1991, Lederman became President of the American Association for the Advancement of Science.

* The Vor Game – won the Hugo for Best Novel in 1991 ; nominated for the Locus Award for Best Science Fiction Novel that same year

The journal Nanotechnology was launched in 1989 ; the famous Eigler-Schweizer experiment, precisely manipulating 35 xenon atoms, was published in Nature in April 1990 ; and Science had a special issue on nanotechnology in November 1991.

* Popular Science Magazine Grand Award in Science & Technology, 1991

* Brooke, John H., Science And Religion: Some Historical Perspectives, New York: Cambridge University Press, 1991, ISBN 0-521-23961-3

He became an academician of the Academy of Sciences of the Soviet Union ( Russian Academy of Science since 1991 ) in 1990.

* Brooke, John H. Science and Religion: Some Historical Perspectives, Cambridge University Press, Cambridge, 1991.

( eds., 1991 ), The Philosophy of Science, Blackwell Publishers, Cambridge, MA.

), Thought Experiments in Science and Philosophy, Rowman & Littlefield, ( Savage ), 1991.

# Adams, L., Harboe Sorensen, R., Holmes Siedle, A. G., Ward, A. K. and Bull, R. ( 1991 ), " Measurement of SEU and total dose in geostationary orbit under normal and solar flare conditions ," IEEE Transactions on Nuclear Science, NS 38 ( 6 ), pp. 1686 – 92 ( Dec 1991 )

In 1982, she founded the Research Foundation for Science, Technology and Ecology, which led to the creation of Navdanya in 1991, a national movement to protect the diversity and integrity of living resources, especially native seed, the promotion of organic farming and fair trade.