Abraham Lincoln ( February 12, 1809 – April 15, 1865 ) was the 16th President of the United States, serving from March 1861 until his assassination in April 1865.

93, pp. 2686 – 2689, April 1996.

Allan Dwan ( April 3, 1885 – December 28, 1981 ) was a pioneering Canadian-born American motion picture director, producer and screenwriter.

Albert Sidney Johnston ( February 2, 1803 – April 6, 1862 ) served as a general in three different armies: the Texas Army, the United States Army, and the Confederate States Army.

Medical Hypotheses, April 1999 ; 53 ( 4 ): 338 – 344.

Alfred Elton van Vogt ( April 26, 1912 – January 26, 2000 ) was a Canadian-born science fiction author regarded as one of the most popular and complex science fiction writers of the mid-twentieth century: the " Golden Age " of the genre.

* April Fools ' Day – April 1

* Good Friday ( Christians ) – a Friday between March 20 and April 23, being the last Friday before Easter

* Arbor Day ( Korea ) – April 5

* End of Tax Year ( UK ) – April 5

* World Health Day – April 7

* Buddha's Birthday – Traditional Date – April 8

* Araw ng Kagitingan, also known as " Bataan Day " ( Philippines ) – April 9

* Thai New Year in Thailand – April 13

* Lao New Year in Laos – April 13

* Khmer New Year in Cambodia – April 13

* Tax Day ( US ) – April 15

* 4: 20 – April 20

* Patriots ' Day – April 21

* Earth Day – April 22

* Conch Republic Independence Celebration ( Key West, Florida ) – April 23

* St George's Day Patron Saint Celebration ( England, Europe ) – April 23

Following a burglary, a murder, and two attempted murders in Adelaide during March 1838, Governor Hindmarsh created the South Australian Police Force ( now named South Australia Police ) in April 1838 under 21-year-old Henry Inman.

Following a protracted legal process culminating in a court ruling favorable to the Bahá ' ís, the interior minister of Egypt released a decree on April 14, 2009, amending the law to allow Egyptians who are not Muslim, Christian, or Jewish to obtain identification documents that list dash in place of one of the three recognized religions.

Following the conclusion of hostilities, the base was closed on 30 April 1946.

Following the 1926 Stanley Cup playoffs, during which the Western Hockey League was widely reported to be on the verge of folding, the NHL held a meeting on April 17 to consider applications for expansion franchises, at which it was reported that five different groups sought a team for Detroit.

Following a successful referendum on independence for the Autonomous Region of Eritrea between 23 and 25 April 1993, on 19 May of that year the Provisional Government of Eritrea ( PGE ) issued a Proclamation regarding the reorganization of the Government.

Following the advice of the President of the Imperial War Council, Rüdiger Starhemberg, Eugene was offered supreme command of Imperial forces in April 1697.

Following the Marxist coup of April 1978, the government under Nur Muhammad Taraki developed significantly closer ties with the Soviet Union and its communist satellites.

Following Portugal's April 1974 Carnation Revolution, it granted independence to Guinea-Bissau on 10 September 1974.

Following Portugal's April 1974 Carnation Revolution, it granted independence to Guinea-Bissau on 10 September 1974.

Following the unexpected carnage at the battle of Shiloh in April 1862, the Ohio state government sent 3 steamboats to the scene as floating hospitals with doctors, nurses and medical supplies.

Following the withdrawal of Syrian troops in April 2005, Lebanon held parliamentary elections in four rounds, from 29 May to 19 June.

Following another coup in April 1999, in which Maïnassara was killed, the MNSD-Nassara's Tandja won the October 1999 presidential election.

Following Dawkins ' retirement from the NFL on April 23, 2012, the Eagles announced that they would retire his number.

Following Yasser Arafat's commitment to " submit to the Palestinian National Council for formal approval " the changes to the Charter confirming that " those articles of the Palestinian Covenant which deny Israel's right to exist, and the provisions of the Covenant which are inconsistent with the commitments of this letter are now inoperative and no longer valid " in the September 9, 1993 letters of mutual recognition, the PNC met in Gaza and voted on 24 April 1996.

Following his beatification, his sarcophagus was placed under the Altar of St. Sebastian in the basilica's Chapel of St. Sebastian, where it remained until 8 April 2011 when it was moved to make way for the remains of Blessed Pope John Paul II ( 1978 – 2005 ) to be relocated to the basilica from the grotto beneath St. Peter's in honor of his beatification and in order to make his resting place more accessible to the public.

* Abyei Hearing Proceeds Following Expense Row of 17 April 2009

Following the MGVT program and with the decision to not use Enterprise for orbital missions, it was ferried on 10 April, 1978 to KSC.

Following the agreement the Blue Streak programme was formally cancelled in April 1960 and in May 1960 an agreement for an initial order of 100 Skybolts was concluded.

Following publication of a Letter to the Editor from Kranke and colleagues in April 2000, along with a non-specific response from Dr. Fujii, there was no follow-up on the allegation of data manipulation and no request for an institutional review of Dr. Fujii's research.

Following the communist victory on April 30, 1975, South Vietnamese veterans were rounded up and sent to reeducation camps, essentially forced labor camps in desolate areas.

Following his April 1789 inauguration, President George Washington occupied two executive mansions in New York City: the Samuel Osgood House at 3 Cherry Street ( April 1789 – February 1790 ), and the Alexander Macomb House at 39 – 41 Broadway ( February – August 1790 ).

* July 7 – Following Abraham Lincoln's assassination on April 14, the four conspirators condemned to death during the trial are hanged, including David Herold, George Atzerodt, Lewis Payne and Mary Surratt.

* April 1 – Following a failed attempt at a coup, French defense minister Georges Boulanger is forced to flee the country.

* April 17 – Following several weeks of successful fighting the Khmer Republic surrenders there fore the Cambodian Civil War ends, in which the Communist party of the Khmer Rouge guerilla forces capture Phnom Penh, prompting a forcible mass evacuation of the city and starting off the infamous genocide.