* 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 )

Following a protracted legal process culminating in a court ruling favorable to the Bahá ' ís, the interior minister of Egypt released a decree on April 14, 2009, amending the law to allow Egyptians who are not Muslim, Christian, or Jewish to obtain identification documents that list dash in place of one of the three recognized religions.

Bede notes that the native Old English month Ēostur-monath ( Old English " Ēostre-month ") was equivalent to the month of April, yet that feasts held in the goddess's honor during Ēostur-monath had gone out of use by the time of his writing and had been replaced with the Christian custom of the " Paschal season ".

Easter therefore varies between 4 April and 8 May on the Gregorian calendar ( the Julian calendar is no longer used as the civil calendar of the countries where Eastern Christian traditions predominate ).

While preparing for an evening lecture on 21 April 1820, Hans Christian Ørsted made a surprising observation.

Moreover, in Yugoslavia there existed the Jasenovac concentration camp ( August 1941 – April 1945 ), which was the only central extermination camp outside of Poland, and the only one not operated by Nazis, but by the fascist Ustaše forces of the Independent State of Croatia, the majority of whose victims were Orthodox Christian Serbs, Roma, and Jews.

Former Fine Gael logo until April 2009. Fine Gael was traditionally conservative in social matters for most of the twentieth century, due to the conservative Christian ethos of Irish society during this time.

In April 2008, following the 2008 Hamburg state election, the Green-Alternative List ( GAL ) in Hamburg entered into a coalition with the Christian Democratic Union ( CDU ), the first such state-level coalition in Germany.

Kurt Georg Kiesinger (; 6 April 1904 – 9 March 1988 ) was a German politician affiliated with the Christian Democratic Union ( CDU ).

Saint George ( c. 275 / 281 – 23 April 303 ) was, according to tradition, a Roman soldier from Syria Palaestina and a soldier in the Guard of Diocletian, who is venerated as a Christian martyr.

Friedrich Wilhelm Christian Karl Ferdinand von Humboldt ( 22 June 1767 – 8 April 1835 ) was a Prussian philosopher, government functionary, diplomat, and founder of the University of Berlin, which was named after him ( and his brother, naturalist Alexander von Humboldt ) in 1949.

* April 8 – King Christian IX of Denmark ( d. 1906 )

* April 25 – Easter occurs on the latest possible date ( last time 1886 ; next time 2038 ) in the Western Christian Church.

* April 12 – Michael English, American Christian musician

* April 27 – A group of Alawites kill some Christian nuns in Syria ; French troops march against them.

* April 25 – R. J. Rushdoony, American founder of Christian Reconstructionism ( d. 2001 )

* April 20 – Emile Christian, American musician ( d. 1973 )

* April 28 – Mutiny on the Bounty: Fletcher Christian leads the mutiny on HMS Bounty against Captain William Bligh.

* April 4 – Christian Friis and Axel Brahe go to Ven to check complaints, and a commission is established to investigate Tycho Brahe's leadership.

* April 1820 – Hans Christian Ørsted discovers the relationship between electricity and magnetism.

* April 10 – Christian, Prince Elect of Denmark, Danish prince ( d. 1647 )

* April 8 – Johann Christian Günther, German poet ( d. 1723 )

* April 9 – Christian Wolff, German philosopher, mathematician, and scientist ( b. 1679 )

* April 24 – William Christian Bullitt, Jr., the US ambassador to Moscow, hosted the elaborately prepared Spring Ball of the Full Moon which is said to have surpassed all other embassy parties in Moscow's history.

* April 15 – King Christian V of Denmark ( d. 1699 )

* April 2 – Hans Christian Andersen, Danish writer ( d. 1875 )