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.

For these crimes he was sentenced to be hanged in public on Friday, December 2, 1859.

On December 2, 1859, John Brown was hanged at Charles Town, Virginia.

Strongly opposed to the abolitionists who sought to end slavery in the U. S., Booth attended the hanging on December 2, 1859, of abolitionist leader John Brown, who was executed for leading a raid on the Federal armory at Harpers Ferry ( in present-day West Virginia ).

Admiral of the Fleet John Rushworth Jellicoe, 1st Earl Jellicoe, GCB, OM, GCVO SGM ( 5 December 1859 – 20 November 1935 ) was a British Royal Navy admiral who commanded the Grand Fleet at the Battle of Jutland in World War I.

Zamenhof was born on December 15 ( December 3 OS ), 1859 in the town of Białystok in the Russian Empire ( now part of Poland ).

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The Suez Canal Company ( Compagnie Universelle du Canal Maritime de Suez ) came into being on 15 December 1858 and work started on the shore of the future Port Said on 25 April 1859.

The Examiner review of 3 December 1859 commented, " Much of Mr. Darwin's volume is what ordinary readers would call ' tough reading ;' that is, writing which to comprehend requires concentrated attention and some preparation for the task.

The 1850s decade ran from January 1, 1850, to December 31, 1859.

* December 13 – Théophile Steinlen, Swiss painter ( b. 1859 )

* December 25 – Francesc Macià, President of the Generalitat ( autonomous government of Catalonia ) ( b. 1859 )

Judah returned to Washington in December 1859.

The Brothers Grimm ( or Die Gebrüder Grimm ), Jacob ( January 4, 1785 – September 20, 1863 ) and Wilhelm Grimm ( February 24, 1786 – December 16, 1859 ), were German academics, linguists, cultural researchers, and authors who together collected folklore.

Wilhelm Carl Grimm ( also Karl ; 24 February 1786 – 16 December 1859 ) was a German author, the younger of the Brothers Grimm.

In December 1859, Le Verrier received a letter from a French physician and amateur astronomer called Edmond Modeste Lescarbault, who claimed to have seen a transit of the hypothetical planet earlier in the year.

On December 20, 1859, U. S. patent 26, 532 was granted to the Steinway founder's son, Henry Steinway, Jr., for the Overstrung Plate.

* Patent No. 26, 532 ( December 20, 1859 ): The bass strings are " overstrung " above the treble strings to provide more length and better tonal quality.

Georges Pierre Seurat (; 2 December 1859 – 29 March 1891 ) was a French Post-Impressionist painter and draftsman.

* Arthur Godfrey Peuchen Lieutenant-Colonel ( April 18, 1859 – December 7, 1929 ) was a Canadian businessman and RMS Titanic survivor.

John Brown ( May 9, 1800 – December 2, 1859 ) was an abolitionist who used militant actions to abolish slavery in the United States.

On 2 December 1859 John Brown was taken from the Charles Town jail a short distance to an open field and hanged.

Klickitat County was created out of Walla Walla County on December 20, 1859.

On December 8, 1859, the county was re-created and the borders were redrawn to essentially their current state.