* 1986 – In retaliation for the April 5 bombing in West Berlin that killed two U. S. servicemen, U. S. president Ronald Reagan orders major bombing raids against Libya, killing 60 people.

After Sarah's death, Fleming married Dr. Amalia Koutsouri-Vourekas, a Greek colleague at St. Mary's, on 9 April 1953 ; she died in 1986.

* Marschall, Rick, Nemo, the Classic Comics Library # 18, pp. 3 – 32 ( April 1986 )

It was soon used in combat — in March 1986 against a Libyan SA-5 site in the Gulf of Sidra, and then Operation Eldorado Canyon in April.

MIT retaliated in April 2006, when students posing as the Howe & Ser ( Howitzer ) Moving Company stole the 130-year-old, 1. 7-ton Fleming House cannon and moved it over 3000 miles to their campus in Cambridge, Massachusetts for their 2006 Campus Preview Weekend, repeating a similar prank performed by nearby Harvey Mudd College in 1986.

In April 1986, the U. S. Supreme Court refused to review the lower court's judgment.

" Intervening in the Oil Market ", The New York Times, April 13, 1986.

The Javits Center opened on April 3, 1986, to a generally positive reception.

In April 1986, nine-year-old Judit played in her first rated tournament in the U. S., finishing first in the unrated section of the New York Open, winning $ 1, 000.

On 1 April 1986, the men's javelin () was redesigned by the governing body ( the IAAF Technical Committee ).

On 5 April 1986, Libyan agents bombed " La Belle " nightclub in West Berlin, killing three people and injuring 229 people who were spending the evening there.

On 14 April 1986, the United States carried out Operation El Dorado Canyon against Gaddafi and members of his regime.

The high water records were set from 1986 ( April ) through January 1987.

* 1986: Range Rover is introduced to the U. S market in April 1986

The apostolic constitution Spirituali militum curae of 21 April 1986 raised their status, declaring that the bishop who heads one of them is an " ordinary ", holding authority by virtue of his office, and not by delegation from another person in authority.

| 25 April 1986

In April 1946, the last French officers were forced to leave Syria due to sustained resistance offensives ; the Levantine Forces then became the regular armed forces of the newly independent state and grew rapidly to about 12, 000 by the time of the 1948 Arab − Israeli War, the first of four Arab − Israeli wars between 1948 and 1986.

He wed the much-younger Mary Whitaker in 1986 and they had two children, son Chesare Elan on April 25, 1988 and daughter Chianna Maria on February 2, 1991.

Its maiden flight was on April 4, 1983, and it completed nine missions before breaking apart 73 seconds after the launch of its tenth mission, STS-51-L on January 28, 1986, resulting in the death of all seven crew members.

After Amstrad acquired Sinclair's computer products lines in April 1986, the QL was officially discontinued.

Decommissioned on December 1, 1983, Thomas A. Edison was stricken from the Naval Vessel Register on April 30, 1986.

Mandela's reputation was damaged by her rhetoric, the most noteworthy example of this being a speech she gave in Munsieville on 13 April 1986, where she endorsed the practice of necklacing ( burning people alive using tyres and petrol ) in the struggle to end apartheid.

* April 30 – Lebanon hostage crisis: Lebanese kidnappers release American educator Frank H. Reed, who had been held hostage since September 1986.

* April 15 – Nikolay Nikolayevich Semyonov, Russian chemist, Nobel Prize laureate ( d. 1986 )

In April 2010 during Admiral Mike Mullen's address at Columbia, President Lee C. Bollinger stated that the ROTC would be readmitted to campus if the admiral's plans for revoking the don't ask, don't tell policy were successful.

In April 2011 the Columbia University Senate voted to welcome the ROTC program back on campus.

Columbia TriStar Home Entertainment released Godzilla vs. King Ghidorah and Godzilla vs. Mothra on home video on April 28, 1998.

Columbia TriStar Home Entertainment released Godzilla vs. King Ghidorah and Godzilla vs. Mothra on home video on April 28, 1998.

In April 1792 he encountered American Captain Robert Gray off the coast of Oregon just prior to Gray's sailing up the Columbia River.

His Columbia River trading post at Fort Astoria ( established in April 1811 ) was the first United States community on the Pacific coast.

" Slavery would be abolished in the District of Columbia on April 18, 1862.

After its first flight in April 1983, Challenger quickly became the workhorse of NASA's Space Shuttle fleet, flying far more missions per year than Columbia.

Columbia was successfully launched on April 12, 1981, the 20th anniversary of the first human spaceflight ( Vostok 1 ), and returned on April 14, 1981, after orbiting the Earth 36 times, landing on the dry lakebed runway at Edwards Air Force Base in California.

* April 21 – The first of forty boundary stones delineating the borders of the new District of Columbia is laid at Jones Point Light, in Alexandria, Virginia.

* April 15 – White Rock secedes from Surrey, British Columbia, following a referendum.

* April 9 – African-American singer Marian Anderson performs before 75, 000 people at the Lincoln Memorial in Washington, D. C., after having been denied the use both of Constitution Hall by the Daughters of the American Revolution, and of a public high school by the federally controlled District of Columbia.

* April 23 – April 30 – Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university ( see main article Columbia University protests of 1968 ).

* April 12 – The Space Shuttle program: Space Shuttle Columbia with NASA astronauts John Young and Robert Crippen launches on the STS-1 mission, returning to Earth on April 14.

April 12: First Space Shuttle program | Space Shuttle launch: Space Shuttle Columbia | Columbia, April 12, 1981.

* April 2 – Nicholas M. Butler, president of Columbia University and winner of the Nobel Peace Prize ( d. 1947 )

The fledgling network soon needed additional investors though, and the Columbia Phonograph Company, manufacturers of Columbia Records, rescued it in April 1927 ; as a result, the network was renamed " Columbia Phonographic Broadcasting System.