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Millennium: 2nd millennium
1990 in various calendars
Gregorian calendar 1990
Ab urbe condita 2743
Armenian calendar 1439
Assyrian calendar 6740
Baháʼí calendar 146–147
Balinese saka calendar 1911–1912
Bengali calendar 1397
Berber calendar 2940
British Regnal year 38  Eliz. 2   39  Eliz. 2
Buddhist calendar 2534
Burmese calendar 1352
Byzantine calendar 7498–7499
Chinese calendar 己巳年 (Earth  Snake)
4687 or 4480
庚午年 (Metal  Horse)
4688 or 4481
Coptic calendar 1706–1707
Discordian calendar 3156
Ethiopian calendar 1982–1983
Hebrew calendar 5750–5751
Hindu calendars
 - Vikram Samvat 2046–2047
 - Shaka Samvat 1911–1912
 - Kali Yuga 5090–5091
Holocene calendar 11990
Igbo calendar 990–991
Iranian calendar 1368–1369
Islamic calendar 1410–1411
Japanese calendar Heisei 2
Javanese calendar 1922–1923
Juche calendar 79
Julian calendar Gregorian minus 13 days
Korean calendar 4323
Minguo calendar ROC 79
Nanakshahi calendar 522
Thai solar calendar 2533
Tibetan calendar 阴土蛇年
(female Earth-Snake)
2116 or 1735 or 963
(male Iron-Horse)
2117 or 1736 or 964
Unix time 631152000 – 662687999

1990 (MCMXC) was a common year starting on Monday of the Gregorian calendar, the 1990th year of the Common Era (CE) and Anno Domini (AD) designations, the 990th year of the 2nd millennium, the 90th year of the 20th century, and the 1st year of the 1990s decade.


Important events of 1990 include the Reunification of Germany and the unification of Yemen, [1] the formal beginning of the Human Genome Project (finished in 2003), the launch of the Hubble Space Telescope, the separation of Namibia from South Africa, and the Baltic states declaring independence from the Soviet Union amidst Perestroika. Yugoslavia's communist regime collapses amidst increasing internal tensions and multiparty elections held within its constituent republics result in separatist governments being elected in most of the republics marking the beginning of the breakup of Yugoslavia. Also in this year began the crisis that would lead to the Gulf War in 1991 following the Iraq invasion and the largely internationally unrecognized annexation of Kuwait. This led to Operation Desert Shield being enacted with an international coalition of military forces being built up on the Kuwaiti-Saudi border with demands for Iraq to peacefully withdraw from Kuwait. Also in this year, Nelson Mandela was released from prison, and Margaret Thatcher resigned as Prime Minister of the United Kingdom after more than 11 years.

1990 was an important year in the Internet's early history. In the fall of 1990, Tim Berners-Lee created the first web server and the foundation for the World Wide Web. Test operations began around December 20 and it was released outside CERN the following year. [2] 1990 also saw the official decommissioning of the ARPANET, a forerunner of the Internet system and the introduction of the first content web search engine, Archie, on September 10. [3]

September 14, 1990, saw the first case of successful somatic gene therapy on a patient. [4]

Due to the early 1990s recession that began that year and uncertainty due to the collapse of the socialist governments in Eastern Europe, birth rates in many countries stopped rising or fell steeply in 1990. In most western countries the Echo Boom peaked in 1990; fertility rates declined thereafter. [5]














World population

World population
1990 1985 1995
World5,263,593,0004,830,979,000 Green Arrow Up.svg 432,614,000+8.95 %5,674,380,000 Green Arrow Up.svg 410,787,000+7.80 %
Africa622,443,000541,718,000 Green Arrow Up.svg 80,629,000+14.88 %707,462,000 Green Arrow Up.svg 85,019,000+13.66 %
Asia3,167,807,0002,887,552,000 Green Arrow Up.svg 280,255,000+9.71 %3,430,052,000 Green Arrow Up.svg 262,245,000+8.28 %
Europe721,582,000706,009,000 Green Arrow Up.svg 15,573,000+2.21 %727,405,000 Green Arrow Up.svg 5,823,000+0.81 %
Latin America441,525,000401,469,000 Green Arrow Up.svg 40,056,000+9.98 %481,099,000 Green Arrow Up.svg 39,574,000+8.96 %
North America283,549,000269,456,000 Green Arrow Up.svg 14,093,000+5.23 %299,438,000 Green Arrow Up.svg 15,889,000+5.60 %
Oceania26,687,00024,678,000 Green Arrow Up.svg 2,009,000+8.14 %28,924,000 Green Arrow Up.svg 2,237,000+8.38 %

Births and deaths

Nobel Prizes

Nobel medal.png

Fields Medal

Related Research Articles

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