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.

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.

The bill called for former President George W. Bush to recognize and use the word genocide in his annual April 24 speech which he never used.

His successor President Barack Obama has expressed his desire to recognize the Armenian Genocide during the electoral campaigns, but after being elected, has not used the word genocide in his first annual April 24 speech in 2009.

* 1960 – Forced out by the April Revolution, President of South Korea Syngman Rhee resigns after twelve years of dictatorial rule.

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

On April 15, 1907, President Theodore Roosevelt issued an Arbor Day Proclamation to the School Children of the United States about the importance of trees and that forestry deserves to be taught in our schools.

Ray Ivany began his position as President and Vice-Chancellor on 1 April 2009.

In April 2008, Vice President Lt. Gen. Seretse Khama Ian Khama ( Ian Khama ), son of Seretse Khama the first president, succeeded to the presidency when Festus Mogae retired.

A caretaker cabinet was appointed by the President again and served until the new pre-term parliamentary elections in April 1997.

On April 1970, US President Nixon announced to the American public that US and South Vietnamese ground forces had entered Cambodia in a campaign aimed at destroying NVA base areas in Cambodia ( see Cambodian Incursion ).

The prohibition was officially recognized as unconstitutional in April 2003, allowing Óscar Arias to run for President a second time in the 2006 Costa Rican presidential elections, which he won with approximately a 1 % margin.

Colonel Azali Assoumani seized power in a bloodless coup in April 1999, overthrowing Interim President Tadjidine Ben Said Massounde, who himself had held the office since the death of democratically elected President Mohamed Taki Abdoulkarim in November, 1998.

President Mohamed Bacar of Anjouan formed his 13-member government at the end of April, 2003.

The United States had been embarrassed publicly by the failed Bay of Pigs Invasion in April 1961, which had been launched under President John F. Kennedy by CIA-trained forces of Cuban exiles.

While his parents and older siblings left for England in April and May that year, Charles remained in Scotland, with his father's friend and the Lord President of the Court of Session, Alexander Seton, Lord Fyvie, appointed as his guardian.

In April 2005, the Ecuadorian Armed Forces declared that it " withdrew its support " for the President.

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

The Czech President Václav Klaus rejected the term " euroscepticism ", with its purported negative undertones, saying ( at a meeting in April 2012 ) that the expressions for a eurosceptic and his opponent should be " a Euro-realist " and someone who is " Euro-naïve " ( respectively ).