Editing 1986 (section)

===April===
* April – The government of [[Ivory Coast]] requests international diplomatic use of the French form of its name, ''Côte d'Ivoire''.
* [[April 1]] – [[Sector Kanda]]: [[Communist Party of Nepal (Mashal)]] cadres attack a number of police stations in [[Kathmandu]], seeking to incite a popular rebellion.
* [[April 2]] – A bomb [[TWA Flight 840 bombing|explodes]] on a [[Trans World Airlines]] flight from Rome to Athens, killing 4 people.
* [[April 5]] – [[1986 Berlin discotheque bombing]]: The [[West Berlin]] discothèque ''La Belle'', a known hangout for United States soldiers, is bombed, killing three and injuring 230; [[Libya]] is held responsible.
* [[April 11]] – The infamous [[1986 FBI Miami shootout|FBI shootout in Miami]] results in the death of two FBI agents and the wounding of five others.<ref>{{Cite web |date=2021-02-02 |title=Deadly FBI Shooting In Sunrise Rivals Infamous 'Miami Shootout' 35 Years Ago - CBS Miami |url=https://www.cbsnews.com/miami/news/deadly-fbi-shooting-sunrise-miami-shootout-35-years-ago-ben-grogan-jerry-dove/ |access-date=2025-02-20 |website=www.cbsnews.com |language=en-US}}</ref>
* [[April 13]]
** [[Pope John Paul II]] officially visits the [[Great Synagogue of Rome]], the first time a modern Pope has visited a synagogue.<ref>{{Cite magazine |last=Fabry |first=Merrill |date=2016-04-13 |title=What Happened the First Time a Pope Visited a Synagogue |url=https://time.com/4280602/pope-john-paul-synagogue-visit/ |access-date=2025-02-20 |magazine=TIME |language=en}}</ref>
** The first child born to a non-related [[surrogate mother]] is born.<ref>{{Cite web |url=https://people.com/archive/and-baby-makes-four-for-the-first-time-a-surrogate-bears-a-child-genetically-not-her-own-vol-27-no-18/ |title=And Baby Makes Four: for the First Time a Surrogate Bears a Child Genetically Not Her Own |work=[[People (magazine)|People]]}}</ref>
* [[April 14]] – [[Hailstone]]s weighing {{convert|1|kg|lb}} fall on [[Gopalganj District, Bangladesh]], killing 92.
* [[April 15]] – [[Operation El Dorado Canyon]]: At least 15 people die after United States planes bomb targets in the Libyan capital, [[Tripoli, Libya|Tripoli]], and the [[Benghazi]] region.
* [[April 16]] – The United Kingdom and the Kingdom of the Netherlands sign a peace treaty, thus ending the [[Three Hundred and Thirty Five Years' War]], one of the longest wars in human history.
* [[April 17]]
** [[Lebanon hostage crisis]]: British journalist [[John McCarthy (journalist)|John McCarthy]] is kidnapped in Beirut (he is released in August [[1991]]) and three others are killed in retaliation for the bombing of Libya.
** The [[Hindawi affair]] begins when an Irish woman is found carrying explosives onto an [[El Al]] flight from London to [[Tel Aviv]].
** An alleged state of [[Three Hundred and Thirty Five Years' War|war lasting 335 years]] between the [[Netherlands]] and the [[Isles of Scilly]] declared peace, bringing an end to any hypothetical war that may have existed.<ref>{{Cite news |last= |date=1986-04-18 |title=Dutch Proclaim End of War Against Britain's Scilly Isles |url=https://www.nytimes.com/1986/04/18/world/dutch-proclaim-end-of-war-against-britain-s-scilly-isles.html |access-date=2025-02-20 |work=The New York Times |language=en-US |issn=0362-4331}}</ref>
* [[April 18]] – Titan 34D-9 [[Titan 34D#1986 failure, Titan 34D-9|explodes]] just after launch while carrying the final KH-9 satellite.<ref>{{Cite web |title=The Space Review: Death of a monster |url=https://www.thespacereview.com/article/1268/1 |access-date=2021-10-22 |website=www.thespacereview.com}}</ref>
* [[April 21]] – [[Lorimar-Telepictures]] launches as a mass media company.
* [[April 26]] – [[Chernobyl disaster]]: A mishandled safety test at the [[Chernobyl Nuclear Power Plant]] in [[Pripyat]], [[Ukrainian SSR]], [[Soviet Union]] "killed at least 4,056 people and damaged almost $7 billion of property".<ref name=bks /> Radioactive fallout from the accident is concentrated near [[Belarus]], [[Ukraine]] and [[Russia]] and at least 350,000 people are forcibly resettled away from these areas. After the accident, "traces of radioactive deposits unique to Chernobyl were in nearly every country in the northern hemisphere".<ref name=bks>{{cite journal |author-link=Benjamin K. Sovacool |first=Benjamin K. |last=Sovacool |title=The costs of failure: A preliminary assessment of major energy accidents, 1907–2007 |journal=[[Energy Policy (journal)|Energy Policy]] |volume=36 |year=2008 |issue=5 |page=1806 |doi=10.1016/j.enpol.2008.01.040 |bibcode=2008EnPol..36.1802S}}</ref>
* [[April 29]] – The [[Diamond Jubilee]] of [[Hirohito]] is held at the [[Ryōgoku Kokugikan|Kokugikan]] in Tokyo.