22 April 2007.

* April 29 is a Japanese national holiday, as Shōwa Day since 2007.

On Friday, April 20, 2007 Pope Benedict XVI, abolished the whole idea saying he " showed doubt about the concept of limbo ".

In April 2007, it was reported that imaging analysis had discovered an early commentary on Aristotle's Categories in the Archimedes Palimpsest, and Robert Sharples suggested Alexander as the most likely author.

In April / May 2007, Andersson worked on the film soundtrack, re-recording the old ABBA songs with musicians from the old ABBA recording sessions.

In April 2007, Borland announced that it would be relocating its headquarters and R & D facilities to Austin, Texas.

On 10 April 2007 Lara confirmed his retirement from one day cricket post the 2007 Cricket World Cup.

Lara played his final international game on 21 April 2007 in a dead rubber World Cup game against England.

On 19 April 2007 Lara announced his retirement from all forms of international cricket, indicating that the West Indies vs England match on 21 April 2007 would be his last international appearance.

Since April 2007, The Beano has had five revamps to help it keep up to date.

The first occurred on 7 April 2007.

After the ending of the war, all refugees were repatriated to Sudan ; the last of the 9, 700 remaining in Central African Republic were evacuated in April 2007.

A recreational scuba diving expedition by the luxury liveaboard safari boat M / V Nautilus Explorer dove the reefs around Clipperton from April 15 to 20, 2007 to observe the marine life and compare these observations with those reported by the Connie Limbaugh ( Scripps ) expeditions in 1956 and 1958.

In April 2007, former PLN Presidential candidate and CAFTA opponent José Miguel Corrales won a legal battle at the Supreme Electoral Tribunal, which authorized him to gather over 100, 000 signatures to send CAFTA to a referendum and let the people decide the fate of the controversial agreement.

Costa Rican colones (₡) per US $ 1 – 512. 11 ( September 4, 2010 ), US $ 1 – 559. 51 ( October 24, 2008 ), per US $ 1 – 500. 10 ( December 2007 ), 516. 78 ( November 2007 ), 506. 11 ( April 2006 ), 479. 57 ( July 2005 ), 299. 63 ( February 2000 ), 285. 68 ( 1999 ), 257. 23 ( 1998 ), 232. 60 ( 1997 ), 207. 69 ( 1996 ) and 179. 73 ( 1995 )

In April 2007, the Solomon Star reported that the Solomon Islands ' High Commissioner to the United Nations was soon to be sworn in as Ambassador to Cuba.

On April 13, 2007 ( Friday the 13th ), a group of students from The California Tech, Caltech's campus newspaper, arrived and distributed fake copies of The Tech, MIT's campus newspaper, while prospective students were visiting for their Campus Preview Weekend.

He became the second player in major league history to hit for the cycle and have an unassisted triple play, which he did on April 29, 2007, in his career.

An incident also occurred in April 2007 in the Chicago Loop district, where a coyote, later nicknamed " Adrian ", quietly entered a Quizno's restaurant during the lunch hours ; it was later captured and released at a wildlife rehabilitation center near Barrington, Illinois.

The storyline saw viewing figures peaking at 13. 3 million, and the episode on 2 April 2007, where Tracy was found guilty of Charlie's murder and sentenced to life imprisonment, was watched by 12. 6 million viewers.

His exact date of death remains unclear as well, with most research pointing toward it being between April 14, 1202, and April 5, 1203.

On 14 April 2008, in a UK Channel 4 documentary, Tudor Parfitt, taking a literalist approach to the Biblical story, described his research into this claim.

In April 1958, he was appointed as a consultant to the House Committee on Astronautics and Space Exploration, which was preparing to hold hearings on President Eisenhower's proposal for a new agency to handle space research, and a month later received the Ohio State University's Distinguished Alumnus Award.

On April 19, 1988, Japanese telecommunications company NTT began offering nationwide ISDN services trademarked INS Net 64, and INS Net 1500, a fruition of NTT's independent research and trial from the 1970s of what it referred to the INS ( Information Network System ).

The research was published in the April 7 issue of Science.

In April 2011 Verizon helped Janet upgrade 4 central locations to run at 100Gbit / s bringing it to a national research and education network performance parity with Internet2 ( which upgraded its backbone to 100Gbit / s in October 2007 ).

Maximilian Karl Emil " Max " Weber (; 21 April 1864 – 14 June 1920 ) was a German sociologist, philosopher, and political economist who profoundly influenced social theory, social research, and the discipline of sociology itself.

In April of the same year, Dr. Leo Alexander had submitted to the Counsel for War Crimes six points defining legitimate medical research.

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.

After reading Osmond ’ s paper, Huxley sent him a letter on 10 April 1952 expressing interest in the research and putting himself forward as an experimental subject.

* April 2 – The LexisNexis computerized legal research service begins.

* In April 2011, a research team at the University of Pittsburgh announced the development of a single-electron transistor 1. 5 nanometers in diameter made out of oxide based materials.

* Webarchive: April 25, 1997 Sandia-led research may zap old beliefs about lightning protection at critical facilities ; Triggered lightning tests leading to safer storage bunkers

In South Africa, Aristide became an honorary research fellow at the University of South Africa, learned Zulu, and on 25 April 2007, received a doctorate in African Languages.

Until April 2012, he was a principal research scientist at Yahoo!

Roger Wolcott Sperry ( August 20, 1913 – April 17, 1994 ) was a neuropsychologist, neurobiologist and Nobel laureate who, together with David Hunter Hubel and Torsten Nils Wiesel, won the 1981 Nobel Prize in Medicine for his work with split-brain research.

Academician Andrey Petrovych Ershov (; 19 April 1931, Moscow – 8 December 1988, Moscow ) was a Soviet computer scientist, notable as a pioneer in systems programming and programming language research.

As of April 2011, the Bookshelf had 845 titles covering a wide range of topics including molecular biology, biochemistry, cell biology, genetics, microbiology, disease states from a molecular and cellular point of view, research methods, and virology.

No serious research was undertaken until the late 1880s when John Knox Laughton, the founder of the Navy Records Society, uncovered contemporary letters from Jamaica in September and October 1731 which substantiated Jenkin's account of his losing an ear to a Spanish Guarda Costa on 9 April 1731 ( Old Style ; 20 April New Style ).

On April 1, 1959, AMC and Sonotone Corporation announced a joint research effort to consider producing an electric car that was to be powered by a " self-charging " battery.

* The McNair Post-baccalaureate Achievement Program, which operates at 179 campuses in the U. S. ( April 7 ), awards research money and internships to first-generation and otherwise underrepresented students in preparation for graduate work.

* Stan Gronthos ( April 11, 1963 ) professor of stem cell research

* Medal " For Merit in Space Exploration " ( 12 April 2011 )-for great achievements in the field of research, development and utilization of outer space, many years of honest work, public activities