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.

* January 15 – Molière, French playwright ( died 1673 )

In 1673 15 Blacks conspired to kill their masters, Again, one of the conspirators lost his nerve and reported the conspiracy.

But in 1673, the Duke of York had commissioned a survey line of his territory ( called the Transpeninsular Line ) that ran across the widest part of the peninsula through Fenwick Island, about 15 miles south of Cape Henlopin.

Margaret Cavendish, Duchess of Newcastle-upon-Tyne ( 1623 – 15 December 1673 ) was an English aristocrat, a prolific writer, and a scientist.

On the 15 March 1673 though still ostensibly a Roman Catholic, he spoke in favour of the Test Act, describing himself as " a Catholic of the church of Rome, not a Catholic of the court of Rome ," and asserting the unfitness of Romanists for public office.

Salvator Rosa ( 1615 – March 15, 1673 ) was an Italian Baroque painter, poet and printmaker, active in Naples, Rome and Florence.

Only when, in 1673, the Swedish government granted all settlers in Lapland years a tax exemption for 15 years, did settlers from Savo and Kainuu settle in Kuusamo.

* Manuel Pessoa de Figueiredo ( 15 Feb 1673 Appointed-28 Aug 1673 Died )

Ahmed III ( Ottoman Turkish: احمد ثالث Aḥmed-i < u > s </ u > āli < u > s </ u >) < span dir =" ltr ">( December 30 / 31, 1673 – July 1, 1736 )</ span > was Sultan of the Ottoman Empire and a son of Sultan Mehmed IV ( 1648 – 87 ).

* On December 27, probably 1673, the feast of St. John, Margaret Mary reported that Jesus permitted her, as he had formerly allowed St. Gertrude, to rest her head upon his heart, and then disclosed to her the wonders of his love, telling her that he desired to make them known to all mankind and to diffuse the treasures of his goodness, and that he had chosen her for this work.

** Legitimised in December 1673, and given the title of Duke of Maine ;

The French court gave her frequent presents, and in December 1673 conferred upon her the fief Duchess of Aubigny in the Peerage of France at the request of Charles II.

Sir Oliver St John ( pronounced " Sinjin ") ( c. 1598 – 31 December 1673 ), was an English judge and politician who sat in the House of Commons from 1640 to 1653.

One of his daughters from first marriage was Elizabeth Fox ( circa 1655 – Tunbridge Wells, 28 February 1681 ), married in Westminster Abbey on 27 December 1673 to Charles Cornwallis, 3rd Baron Cornwallis ( 1655 – 29 April 1698 ).

* James Scott, 1st Duke of Monmouth, 14 January 1673 – 27 December 1679

Henry FitzJames ( 1st Duke of Albemarle in the Jacobite peerage ) ( 6 August 1673 – 16 December 1702 ), was the illegitimate son of King James II of England and VII of Scotland by Arabella Churchill, sister of the Duke of Marlborough.

In this convent she received several revelations of the Sacred Heart, the first on 27 December 1673, and the final one 18 months later.

* James Scott, 1st Duke of Monmouth 12 April 1673 – 20 December 1679

Sir George Lockhart of Lee ( 1673 – 17 December 1731 ), of Carnwath, South Lanarkshire, also known as Lockhart of Carnwath, was a Scottish writer, spy and politician.

Jacques Vallée, Sieur Des Barreaux ( 1599 – 1673 ), French poet, was born in Chateauneuf-sur-Loire on December 16, 1599.

# Sophie Margarete ( b. Amberg, 16 September 1615-d. Dessau, 27 December 1673 ), married on 14 July 1651 to John Casimir, Prince of Anhalt-Dessau.