April 15 is usually the final date for filing income tax returns for most people because they use the calendar year ending on December 31.

Alp Arslan ( ālp arslān ; ālb ārslān ; 1029 – 15 December 1072 ) was the third sultan of the Seljuq dynasty and great-grandson of Seljuk, the eponymous founder of the dynasty.

In the early morning hours in Antium of December 15, 37, Agrippina gave birth to a son.

Baffled, he turned homewards, but died in Orkney on 15 December 1263.

Alfonso had two sons by Elena Armanda Nicolasa Sanz y Martínez de Arizala ( Castellón de la Plana, 15 December 1849 – Paris, 24 December 1898 ):

The ascent stage of lunar module Challenger impacted the Moon 15 December 1972 at 06: 50: 20. 8 UT ( 1: 50 AM EST ), at.

On 15 December 1840, brought back to France from Saint Helena, Napoleon's remains passed under it on their way to the Emperor's final resting place at the Invalides.

He married firstly at the Dolmabahçe Palace in Constantinople in 1856 to Georgian HH Dürrünev Kadın Efendi ( Batumi, 15 March 1835 – Constantinople, Üsküdar, Çamlıca Palace, 3 December 1892 ), and had three children.

AOL released an all-new AIM for the Macintosh on September 29, 2008 and the final build on December 15, 2008.

* Beacon Lodge No. 9425 was consecrated on the 15 February 1991, it currently meets on the third Tuesday in February, April, October & December, and the 4th Tuesday in May

The highest recorded temperature was on June 15, 2000, and the lowest recorded temperature was on December 22, 1990.

When the first meeting of the Fourth Duma was convened in late 1912, only one out of six Bolshevik deputies, Matvei Muranov, ( another one, Roman Malinovsky, was later exposed as an Okhrana secret police agent ) voted to break away from the Menshevik faction within the Duma on 15 December 1912.

However, a similar resolution was defeated by thirty-three votes in the House of Commons on December 15, 1927 when the MPs William Joynson-Hicks and Rosslyn Mitchell " reached and inflamed all the latent Protestant prejudices in the House " and argued strongly against it on the grounds that the proposed book was " papistical " and was a restoration of the Roman Mass and implied the doctrine of Transubstantiation.

In tropical astrology, the Sun is considered to be in the sign Capricorn from December 22 to January 20, and in sidereal astrology, from January 15 to February 15.

Coleman launched on December 15, 2010 ( December 16 Baikonur time ), aboard Soyuz TMA-20 to join the Expedition 26 mission aboard the International Space Station.

Soyuz TMA-20 / Expedition 26 / 27 ( December 15, 2010, to May 23, 2011 ) was an extended duration mission to the International Space Station.

Attlee was awarded an Honorary Fellowship of Queen Mary College on 15 December 1948.

15. 6 % ( 31 December 2008 )

" Images of race and redemption: The Protestant missionary contribution to Carl Meinhof's Zeitschrift für Kolonialsprachen ", Le Fait Missionaire: Social Sciences and Missions 15 ( December 2004 ), 59-96.

Earlier in 1961, a Television Audience Measurement ( TAM ) showed that 75 % of available viewers ( 15 million ) tuned into Corrie and by 1964 the programme had over 20 million regular viewers, with ratings peaking on 2 December 1964, at 21. 36 million viewers.

* On December 15, 1993, Colin Powell was created an honorary Knight Commander of the Order of the Bath by Queen Elizabeth II of the United Kingdom.

After some reverses, UN and Congolese government forces succeeded in recapturing the breakaway provinces of South Kasai on 30 December 1961, and Katanga on 15 January 1963.

# On 15 September 1790, to his double first cousin Maria Teresa of the Two Sicilies ( 6 June 1772 – 13 April 1807 ), daughter of King Ferdinand I of the Two Sicilies ( both were grandchildren of Empress Maria Theresa and shared all of their other grandparents in common ), with whom he had twelve children, of whom only seven reached adulthood.

* October 15 – Chief Lone Horn, Native American Chief ( b. 1790 )

* April 15 – William Cullen, Scottish physician and chemist ( d. 1790 )

In 1790 there were six slave states ; in 1860 there were 15.

He then returned to Britain and reported the mutiny to the Admiralty on 15 March 1790, 2 years and 11 weeks after his original departure.

His first watercolour A View of the Archbishop's Palace, Lambeth was accepted for the Summer Exhibition of 1790 when Turner was only 15.

* Frederika Luise Wilhelmina ( The Hague, 28 November 1770 – The Hague, 15 October 1819 ), married in The Hague on 14 October 1790 Karl, Hereditary Prince of Braunschweig ( London, 8 February 1766 – Antoinettenruh, 20 September 1806 ), a son of Karl Wilhelm Ferdinand, Duke of Brunswick-Luneburg and Princess Augusta of Great Britain, without issue.

Article 4 of the 26 June 1889 Nationality Law stated: " Descendants of families proscribed by the revocation of the Edict of Nantes will continue to benefit from the benefit of the 15 December 1790 Law, but on the condition that a nominal decree should be issued for every petitioner.

Less than 15 % of its population lived in bondage in 1790, while the state averaged 30 %.

Concurrently with making all Protestants resident in France into full-fledged citizens, the law enacted on December 15, 1790 stated that: ' All persons born in a foreign country and descending in any degree of a French man or woman expatriated for religious reason are declared French nationals ( naturels français ) and will benefit to rights attached to that quality if they come back to France, establish their domicile there and take the civic oath.

Article 4 of the June 26, 1889 Nationality Law stated that: ' Descendants of families proscribed by the revocation of the Edict of Nantes will continue to benefit from the benefit of the December 15, 1790 Law, but on the condition that a nominal decree a decree stating the name of the specific applicant for citizenship should be issued for every petitioner.

In Naples on 15 August 1790 by proxy and in Vienna on 19 September 1790 in person, Ferdinand married firstly his double first cousin, the Princess ( later Grand Duchess ) Luisa of Naples and Sicily ( 1773-1802 ), daughter of Ferdinand I of the Two Sicilies and Marie Caroline of Austria.

From a population of 1000-2000 Jewish residents in 1790, mostly Dutch Sephardic Jews, Jews from England, and British subjects, the American Jewish community grew to about 15, 000 by 1840, and to about 250, 000 by 1880.

He was succeeded by his nephew, who was created Marquess of Abercorn in the Peerage of Great Britain on 15 October 1790, after having sat in the House of Commons as MP for East Looe and for St Germans.

William Cullen FRS FRSE FRCPE FPSG ( 15 April 1710 – 5 February 1790 ) was a Scottish physician, chemist and agriculturalist, and one of the most important professors at the Edinburgh Medical School, during its heyday as the leading center of medical education in the English-speaking world.

Ludwig Immanuel Magnus ( March 15, 1790 – September 25, 1861 ) was a German Jewish mathematician who, in 1831, published a paper about the inversion transformation, which leads to inversive geometry.

On 6 February 1790 one week before banning monastic vows, the National Constituent Assembly asked its ecclesiastical committee ( which was promptly expanded from 15 to 30 members ) to prepare the reorganization of the clergy.

* Frankfurt, 15 October 1790

On January 15, 1790, the mutineers of Bounty and their Tahitian companions arrived on the island.

William Henry Playfair ( 15 July 1790 – 19 March 1857 ) was one of the greatest Scottish architects of the 19th century, designer of many of Edinburgh's neo-classical landmarks in the New Town.

He was born in 15 July 1790 in Russell Square, London, to James Playfair and Jessie Graham.

* María Antonia de Godoy y Álvarez de Faria ( Badajoz – Genoa, July 25, 1836 ), 21st Noble Dame of the Royal Order of Queen María Luisa, married in Madrid, August 15, 1790 to Miguel de la Grúa Talamanca y Branciforte, marqués de Branciforte, Knight of Santiago and Charles III and Viceroy of New Spain

On January 2, 1790, George Washington urged Congress to address the need for the uniform system of weights and measures, and on January 15, 1790, the House of Representatives requested Thomas Jefferson to draw up a plan.