In April 2010, IBM published an announcement about the upcoming 7. 1 release.

In April 2010, Atari board member and former CEO David Gardner resigned.

The 2009 Broadway revival with Catherine Zeta-Jones and Angela Lansbury recorded a cast album on January 4, 2010 which was released on April 6.

presented a staged concert from April 8 through April 11, 2010, with Sutton Foster as Nurse Fay Apple, Donna Murphy as Mayoress Cora Hoover Hooper, and Raul Esparza as Hapgood, with direction and choreography by Casey Nicholaw.

A London production of Anyone can Whistle opened at the Jermyn Street Studio Theatre, London, in association with Primavera Productions, running from March 10, 2010 to April 17, 2010.

The comprehensive series, a reprinting of the entire 43-year history of Li ' l Abner spanning a projected 20 volumes, began on April 7, 2010.

As of April 2010, the CIA factbook described the telephone system as “ primitive ” with “ one of the lowest ” telephone densities in the world and “ increasing.

An English-language version, simply titled Kristina, was staged in concert at Carnegie Hall in New York City for two nights in September 2009, yielding a live recording, and at the Royal Albert Hall for one night in April 2010.

On April 12, 2010 the team set a club record for the lowest paid attendance in Camden Yards history, only 9, 129 attended the game versus the Tampa Bay Rays

** Singapore ( April 6, 2010 )

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 )

Nobody's Daughter was released worldwide as a Hole album on April 27, 2010.

The current standard table contains 118 confirmed elements as of 10 April 2010.

In April 2002, the parties of the UN CBD adopted the recommendations of the Gran Canaria Declaration Calling for a Global Plant Conservation Strategy, and adopted a 16 point plan aiming to slow the rate of plant extinctions around the world by 2010.

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.

Keli McGregor President of the Rockies, was found dead on April 20, 2010.

The US FDA has approved two Chagas tests, including one approved in April 2010, and has published guidelines that recommend testing of all donated blood and tissue products.

Former Russian President Dmitry Medvedev and former Prime Minister of Denmark | Danish Prime Minister Lars Lokke Rasmussen hold a joint press conference, April 2010.

The country's current constitution was approved in April 2010.

Texas Stadium was demolished on April 11, 2010.

The most recent addition was formally authorized on April 14, 2010, after being presented to the church for informal consideration on January 17, 2010.

On 1 April 2010, the UK Cabinet declared the Chagos Archipelago a Marine Protected Area ( MPA ) and prohibited all extractive industry, including fishing and oil and gas exploration.

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.

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.

During an audience interview at the Edinburgh Book Festival on 15 April 2004, series author J. K. Rowling had this to say about the fictional Killing Curse's etymology: " Does anyone know where avada kedavra came from?

Dan Simmons ( born April 4, 1948 ) is an American author most widely known for his Hugo Award-winning science fiction series, known as the Hyperion Cantos, and for his Locus-winning Ilium / Olympos cycle.

In April 2006, Jones recorded the single " Your Personal Penguin ", written by children's author Sandra Boynton, as a companion piece to her new board book of the same title.

Francis Bacon, 1st Viscount St. Alban, Kt., KC ( 22 January 1561 – 9 April 1626 ) was an English philosopher, statesman, scientist, jurist, and author.

Charles Henry Goren ( March 4, 1901 – April 3, 1991 ) was a world champion American bridge player and bestselling author who contributed significantly to the development and popularization of the game following upon the heels of Ely Culbertson in the 1940s and rising to prominence in the 1950s to the early 1960s.

Leon Battista Alberti ( February 18, 1404 – April 20, 1472 ) was an Italian author, artist, architect, poet, priest, linguist, philosopher, cryptographer and general Renaissance humanist polymath.

Laurence van Cott Niven (; born April 30, 1938 ) is an American science fiction author.

Paul J. McAuley ( born 23 April 1955 ) is a British botanist and award-winning author.

Robert Zubrin ( born April 19, 1952 ) is an American aerospace engineer and author, best known for his advocacy of the manned exploration of Mars.

Samuel Loyd ( January 30, 1841 – April 10, 1911 ), born in Philadelphia and raised in New York, was an American chess player, chess composer, puzzle author, and recreational mathematician.

* April 13 – Thomas Jefferson, 3rd President of the United States, author of the Declaration of American Independence ( d. 1826 )

* April 20 – Pietro Aretino, Italian author ( d. 1556 )

* April 29 – Jack Williamson, American science fiction author ( d. 2006 )

* April 28 – Harper Lee, American author

* April 10 – Claudio Magris, Italian author

* April 13 – Ishikawa Takuboku, Japanese author ( b. 1886 ).

* April 27 – Halit Ziya Uşaklıgil, Turkish author ( b. 1867 )

* April 20 – Arto Paasilinna, Finnish author

* April 20 – Christopher Robin Milne, English author and bookseller ( b. 1920 )

* April 28 – Johan Borgen, Norwegian author ( d. 1979 )

* April 26 – Joan Mary Wayne Brown, British author who the pseudonyms Mary Gervaise, Hilary Wayne and Bellamy Brown ( b. 1906 )

* April 6 – Alexander Kielland, Norwegian author ( b. 1849 )

* April 16 – Polly Adler, Russian author ( d. 1962 )