* 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 )

* Windows XP Professional x64 Edition, released on 25 April 2005 for home and workstation systems utilizing 64-bit processors based on the x86-64 instruction set developed by AMD as AMD64 ; Intel calls their version Intel 64

The Intel 8080 was the second 8-bit microprocessor designed and manufactured by Intel and was released in April 1974.

*" Intel 8080 Microprocessor Oral History Panel " Steve Bisset, Federico Faggin, Hal Feeney, Edward Gelbach, Ted Hoff, Stan Mazor, Masatoshi Shima, Computer History Museum, April 26, 2007, moderator: David House.

Until release 2. 0 in April 1992, OS / 2 ran in 16-bit protected mode and therefore could not benefit from the Intel 80386's much simpler 32-bit flat memory model and virtual 8086 mode features.

In April 2008, SGI re-entered the visualization market with the SGI Virtu range of visualization servers and workstations, which were re-badged systems from BOXX Technologies based on Intel Xeon or AMD Opteron processors and Nvidia Quadro graphics chipsets, running Red Hat Enterprise Linux, SUSE Linux Enterprise Server or Windows Compute Cluster Server.

In April 2005, Intel offered US $ 10, 000 to purchase a copy of the original Electronics Magazine issue in which Moore's article appeared.

The Intel 8008 was an early byte-oriented microprocessor designed and manufactured by Intel and introduced in April 1972.

Intel renamed it the 8008, and put it in their catalog in April 1972 priced at $ 120.

In April 2007, Intel announced an XScale-based processor targeting consumer electronics markets, the Intel CE 2110.

It was released on April 22, 2003 with the SledgeHammer core ( K8 ) and was intended to compete in the server and workstation markets, particularly in the same segment as the Intel Xeon processor.

Gordon Earle Moore ( born January 3, 1929 ) is an American co-founder and Chairman Emeritus of Intel Corporation and the author of Moore's Law ( published in an article April 19, 1965 in Electronics Magazine ).

CTC released the Datapoint 2200 using about 100 discrete TTL components ( SSI / MSI chips ) instead of a microprocessor, while Intel's single-chip design, eventually designated the Intel 8008, was finally released in April 1972.

In April 1973, only weeks before the release of the 8008, Kutt visited Intel and discussed the 8008's progress with Bob Noyce and Hank Smith.

The Z8000 CPU series was introduced in early 1979, between the launch of the Intel 8086 ( April 1978 ) and the Motorola 68000 ( September 1979 ).

Following Marcian " Ted " Hoff's initial conception, formulated in 1969, Shima later helped design the 4004 processor, working at the Intel offices for six months-from April until October 1970-with Federico Faggin, the project leader.

* April 2002: Work on the nesC programming language begins as a collaboration between Intel Research and UC Berkeley.

The Tungsten E2, introduced on April 13, 2005 replaced the similarly named Tungsten E, has 32 MB of memory ( 29. 7 available ), a 200 MHz Intel XScale processor, 320x320 Transflective TFT color display, and runs Palm OS Garnet v5. 4. 7.

In April 2007, the company released the SmoothGuard UTM-1000 hardware appliance, based on a commodity Intel Core 2 Duo 1U 19-inch rack-mountable chassis.

The magazine was best known for publishing the April 19, 1965 article by Intel co-founder Gordon Moore, in which he outlined what came to be known as Moore's Law.

On April 11, 2005, Intel posted a $ 10, 000 reward for an original, pristine copy of the Electronics Magazine where Moore's article was first published.