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

On April 20, Kennedy sent a memo to Vice President Lyndon B. Johnson, asking Johnson to look into the status of America's space program, and into programs that could offer NASA the opportunity to catch up.

On April 14, 1865, President Lincoln was shot and mortally wounded by John Wilkes Booth, a Confederate sympathizer, who conspired to coordinate assassinations of others, including Johnson, Ulysses S. Grant and Secretary of State William H. Seward that same night.

* " The Impeachment trial of President Johnson ", Harper's Monthly Magazine, April 1868

An oblique reference to Epimenides in the context of logic appears in " The Logical Calculus " by W. E. Johnson, Mind ( New Series ), volume 1, number 2 ( April, 1892 ), pages 235 – 250.

However, the club faltered in 2011 with injuries to Josh Johnson and Hanley Ramirez ( shoulder ) after showing promise in the months of April and May.

April 1996, followers of Taylor and Kromah assaulted the headquarters of Roosevelt Johnson in Monrovia, and the peace accord collapsed.

* Johnson, George " Evolution Between the Ears ", " New York Times ," April 19, 1992, accessed April 16, 2007 ( a critical review of Gerald Edelman's 1992 book Brilliant Air, Brilliant Fire )

On February 26, 1862, King Kamehameha IV of the Hawaiian Islands commissioned Captain Zenas Bent and Johnson Beswick Wilkinson, both Hawaiian citizens, to take possession of the atoll, and on April 15, 1862, it was formally annexed to the Kingdom of Hawaii.

* Gaylord Johnson " How Moon and Sun Generate the Tides " Popular Science, April 1934

* April 13 – United States president Lyndon Johnson signs the 1966 Uniform Time Act, dealing with daylight saving time.

* April 25 – Celia Johnson, British actress ( b. 1908 )

* April 15 – A Dictionary of the English Language is published by Samuel Johnson ( he had begun the work 9 years earlier, in 1746 ).

On April 23, 1964, in the top of the ninth inning of a scoreless game in Colt Stadium, Rose reached first base on an error and scored on another error to make Houston Astros Ken Johnson the first pitcher to lose a complete game no-hitter.

When, in April 1961, the Soviets beat the U. S. with the first manned spaceflight, Kennedy tasked Johnson with coming up with a program that would prove world leadership.

From 1863 to 1869, Presidents Abraham Lincoln and Andrew Johnson ( who became president on April 14, 1865 ) took a moderate position designed to bring the South back to normal as soon as possible, while the Radical Republicans ( as they called themselves ) used Congress to block the moderate approach, impose harsh terms, and upgrade the rights of the Freedmen ( former slaves ).

Following Lincoln's assassination in April 1865, president Andrew Johnson tried to follow Lincoln's policies and appointed new governors in the summer of 1865.

Upon Lincoln's assassination in April 1865, Andrew Johnson of Tennessee, who had been elected with Lincoln in 1864 as the latter's vice president, became president.

Military officers had revolted against the provisional Junta to restore Bosch, whereupon U. S. President Lyndon Johnson, under the pretext of eliminating Communist influence in the Caribbean sent 42, 000 U. S. troops to defeat the revolt in Operation Power Pack, on April 28.

It was signed into law on April 11, 1968 by President Lyndon B. Johnson.

Other notable people born in or associated with Newcastle include: engineer and industrialist Lord Armstrong, engineer and father of the modern steam railways George Stephenson, his son, also an engineer, Robert Stephenson, engineer and inventor of the steam turbine Sir Charles Parsons, inventor of the incandescent light bulb Sir Joseph Swan, modernist poet Basil Bunting, Lord Chief Justice Peter Taylor, the Portuguese writer Eça de Queiroz who was a diplomat in Newcastle from late 1874 until April 1879 — his most productive literary period, The Prime Minister of Thailand Abhisit Vejjajiva, singers Eric Burdon, Sting and Brian Johnson, lead singer of AC / DC from 1980 to the present, actors Charlie Hunnam multiple circumnavigator David Scott Cowper, Neil Tennant, Alan Hull, Mark Knopfler, Hank Marvin, Bruce Welch, Cheryl Cole, entertainers Ant and Dec, and international footballers Peter Beardsley, Michael Carrick, Andy Carroll, Paul Gascoigne and Alan Shearer.

On April 5, 1915, Johnson lost his title to Jess Willard, a working cowboy from Kansas who started boxing when he was twenty-seven years old.

In April 2009, Senator John McCain, along with Representative Peter King, filmmaker Ken Burns and Johnson's great-niece, Linda Haywood, requested a presidential pardon for Johnson from President Barack Obama.