* 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 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 )

This is one of the main reasons for National Library Week, April 16-22, and for its theme: `` For a richer, fuller life, read ''!!

* Marschall, Rick, Nemo, the Classic Comics Library # 18, pp. 3 – 32 ( April 1986 )

His body arrived on April 2, and was interred later that day in a small chapel on the grounds of the Eisenhower Presidential Library.

Fahrenheit 451 inspired the Birmingham Repertory Theatre production " Time Has Fallen Asleep in the Afternoon Sunshine ", which was performed at the Birmingham Central Library in April 2012.

S. Fred Singer ", Niels Bohr Library & Archives, Center for History of Physics, April 23, 1991.

* Oral History interview transcript with John Bardeen 12, 16 May, 1, 22 December 1977 & 4 April 1978, American Institute of Physics, Niels Bohr Library and Archives

Blume received the Library of Congress Living Legends award in the " Writers and Artists " category in April 2000 for her significant contributions to America's cultural heritage.

* Library data – The U. S. Library of Congress Web Capture team claims that " As of April 2011, the Library has collected about 235 terabytes of data " and that it adds about 5 terabytes per month.

She received the Library of Congress Living Legends award in the " Writers and Artists " category in April 2000 for her significant contributions to America's cultural heritage.

Between April 2003 and February 2010 the Library was home to two locally famous residents, Tessa Brown and Sandy Rankine a pair of very popular library cats.

Wilma Unlimited: How Wilma Rudolph Became the World's Fastest Woman, Harcourt * Children's Books ; Library Binding edition ( April 1, 1996 ) – ISBN 0-15-201267-2

* April 24 – The U. S. Library of Congress is founded.

In early April 2009, a second list was discovered at the State Library of New South Wales, Australia by workers combing through boxes of materials collected by author Thomas Keneally.

" National Library of Australia News 15. 7 ( April 2005 ).

< center > Illustrated Map of Pony Express Route in 1860 </ center >< center > by William Henry Jackson </ center >< center > ~ Courtesy the Library of Congress ~</ center >< center > The Pony Express mail route, April 3, 1860 – October 24, 1861 ; Reproduction of Jackson illustration issued to commemorate the 100th anniversary of Pony Express founding on April 3, 1960.

Peel was a member of the committee which controlled the House of Commons Library, and on 16 April 1850 was responsible for passing the motion that controlled its scope and collection policy for the rest of the century.

* Read, Conyers ( 1936 ): " A Letter from Robert, Earl of Leicester, to a Lady " The Huntington Library Bulletin No. 9 April 1936

* Borgers ' version of The Maltese Falcon ( 2007 ), opened in Huntsville, Alabama on the AlphaStage of the Renaissance Theatre, on Wednesday, April 2, 2008 in association with the Huntsville Public Library " BIG READ " Initiative.

* Gamow 25 April 1968, American Institute of Physics, Niels Bohr Library and Archives

Papers read at a Clark Library symposium, 22 April 1967.

The opening ceremony took place on 13 April 1749 and soon known as ' the Physic Library '.