* 1974 – The Super Outbreak occurs, the second biggest tornado outbreak in recorded history ( after the April 25-28, 2011 tornado outbreak ).

** Ai Weiwei ( born 1957 ), Chinese artist, curator, architectural designer, cultural and social commentator, dissident, disappeared April 2011

On April 28, 2011 Georgia Governor Nathan Deal signed legislation allowing local communities to vote on whether to allow alcohol sales on Sundays.

After the second terminal of International Airport Sofia was built the total number of passengers rose and reached 3 230 696 in 2008, and in April 2011 Airport Sofia serviced 282 694 passengers, 13 % more than the same period of 2009, when the record was 250 000 passengers.

| 18 April 2011

On April 18, 2011, it was reported that a military mutiny in Burkina Faso had spread to a fourth city, Kaya, after demonstrations in Po and Tenkodogo.

On 22 April 2011, French culture minister Frédéric Mitterrand officially inscribed bullfighting on a list enumerating the country's cultural heritage, a decision which Bardot is currently publicly contesting.

In April 2011, a representative for Andrews McMeel received a package from a " William Watterson in Cleveland Heights, Ohio ", which contained a 6 " x 8 " oil-on-board painting of Cul De Sac character Petey Otterloop, done by Watterson for the Team Cul de Sac fundraising project for Parkinson's Disease.

The movie was first aired on April 17, 2011.

On 15 April 2011, a day before his 122nd birthday anniversary, Google celebrated him with a special Google Doodle video on its global and other country-wide homepages.

The latest census in Croatia was performed in April 2011.

In April 2011, Chaosium and new developer Red Wasp Design announced a joint project to produce a mobile video game based on the Call of Cthulhu RPG entitled Call of Cthulhu: The Wasted Land.

On April 12, 2011, she played live through video link for the audience of Jethro Tull's show in Russia in honour of the 50th anniversary of Yuri Gagarin's flight.

In April 2011, Limehouse Library having closed in 2003, the Attlee statue was unveiled in its new home at Queen Mary University of London.

In November 2011, Charles took time off from Coronation Street to film a new series of Red Dwarf, returning to filming on ' Corrie ' in April 2012.

In April 2011 the Columbia University Senate voted to welcome the ROTC program back on campus.

* On 3 April 2011, Fulham unveiled a statue of Michael Jackson inside the stadium before its match with Blackpool.

This started in April and would develop during the year and into early 2011.

The last census was taken in 2011 ( from April 1 to April 28 ).

But due to some internal problems, the census was delayed till start of 2011 and its first phase was started in April allover the country.

The 2011 Cricket World Cup was co-hosted by Bangladesh, India, and Sri Lanka from 19 February to 2 April 2011.

According to the project's Facebook group, the English-language DVD has been released in Denmark on April 16, 2011 and is available internationally through the website forlaget-afart. dk /.

The book was originally made as a gift by papersera. net for Rosa himself upon the occasion of Rosa's April 2011 visit to Turin, Italy, and is available as a print-on-demand book from Lulu. com ( see link at papersera. net site on the book )

Johnston launched a massive surprise attack with his concentrated forces against Grant at the Battle of Shiloh on April 6, 1862.

U. S. Secretary of State Colin Powell launched the talks on April 3, 2001, and the negotiations continued with mediation by the U. S., Russia, and France until April 6, 2001.

The Apollo 16 mission successfully launched from the Kennedy Space Center in Florida at 12: 54 PM EST on 16 April 1972.

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.

In April 1998, Egypt launched its own satellite known as NileSat 101.

New York City impresario Steve Sylvester and producer Sal Abbetiello launched Stevie Sly's Freestyle Party show at the Manhattan live music venue Coda on April 1, 2004.

* The Vault, FBI electronic reading room ( launched April 2011 ), contains over 3000 documents

Fine Gael launched its FairCare campaign and website in April 2009, which states that the health service would be reformed away from a costly ineffective endeavour, into a publicly regulated system where compulsory universal health insurance would replace the existing provisions.

In April 1983, in coordination with the IMF, the PNDC launched an economic recovery program, perhaps the most stringent and consistent of its day in Africa, aimed at reopening infrastructural bottlenecks and reviving moribund productive sectors — agriculture, mining, and timber.

It was successfully launched on 27 April 2008 at 22: 16 UTC ( 4. 16 a. m. Baikonur time ) aboard a Soyuz-FG / Fregat rocket provided by Starsem.

On 25 April 2003 Microsoft launched Windows Server 2003, a notable update to Windows 2000 Server encompassing many new security features, a new " Manage Your Server " wizard that simplifies configuring a machine for specific roles, and improved performance.

* In April 1996, after continued Hezbollah rocket attacks on Israeli civilians, the Israeli armed forces launched Operation Grapes of Wrath, which was intended to wipe out Hezbollah's base in southern Lebanon.

In April 2011, an advertising campaign for which aims to discover whether men or women are messier in the home launched.

On 5 April 2009, North Korea launched a missile.

* ICQ6 was launched on April 17, 2007, and offered a single communication platform that combines the various user options: instant messaging services, free SMS from ICQ to mobile, voice and video communication.

In April, 6 weeks before the termination of the Mandate, the Jewish militias launched wide operations to control the territory dedicated to them by the Partition Plan.

In April 2001, Prime Minister Patterson and other Caribbean leaders met with President George W. Bush during the Summit of the Americas in Quebec, Canada, at which a " Third Border Initiative " was launched to deepen U. S. cooperation with Caribbean nations and enhance economic development and integration of the Caribbean nations.

On 6 April 1941, German, Italian and Hungarian forces launched an invasion of Yugoslavia.

The K6 was originally launched in April 1997, running at speeds of 166 and 200 MHz.

* Libya TV-aka Libya al-Ahrar ; Qatar-based satellite station, launched in April 2011.

* 1948: The first Land Rover was officially launched 30 April 1948, at the Amsterdam Motor Show

Odyssey was launched April 7, 2001 on a Delta II rocket from Cape Canaveral Air Force Station, and reached Mars orbit on October 24, 2001, at 2: 30 a. m. UTC ( October 23, 7: 30 p. m. PDT, 10: 30 p. m. EDT ).

On 9 April 1973, Israel launched Operation Spring of Youth, a joint Mossad-IDF operation in Beirut.

In April 1984 China launched an experimental communications satellite for trial transmission of broadcasts, telegrams, telephone calls, and facsimile, probably to remote areas of the country.