* Ada Lovelace ( 1815 – 1852 ), the first computer programmer

* 1815 – Robert Volkmann, German composer ( d. 1883 )

* 1815 – Adolf Friedrich von Schack, German writer ( d. 1894 )

* 1815 – Richard Henry Dana, Jr., American lawyer, politician, and author ( d. 1882 )

Lost Worlds: The Emergence of French Social History, 1815 – 1970 ( 2006 ) 250pp excerpt and text search

* 1740 – Matthias Claudius, German poet ( d. 1815 )

* 1815 – John Bosco, Italian priest and educator ( d. 1888 )

* 1815 – The modern Constitution of the Netherlands is signed.

* 1815 – The Second Serbian Uprising – a second phase of the national revolution of the Serbs against the Ottoman Empire, erupts shortly after the annexation of the country to the Ottoman Empire.

In 1815, Patrick was appointed curate of the chapel in Thornton, near Bradford ; a second daughter, Elizabeth ( 1815 – 1825 ), was born shortly after.

Historians identify several waves of migration to the United States: one from 1815 – 1860, in which some five million English, Irish, Germanic, Scandinavian, and others from northwestern Europe came to the United States ; one from 1865 – 1890, in which some 10 million immigrants, also mainly from northwestern Europe, settled, and a third from 1890 – 1914, in which 15 million immigrants, mainly from central, eastern, and southern Europe ( many Austrian, Hungarian, Turkish, Lithuanian, Russian, Jewish, Greek, Italian, and Romanian ) settled in the United States.

* 1896 – Henry Parkes, English statesman and politician ( b. 1815 )

** 26 April 1803 – 1815 a ' Small Council ' ( president rotating monthly )

* annual Amtsbürgermeister 1815 – 1831

* 1815 – Joseph Winston, American Congressman ( b. 1746 )

* 1815 – The Mount Tambora volcano begins a three-month-long eruption, lasting until July 15.

* 1815 – Anthony Trollope, English novelist ( d. 1882 )

On 15 September / 17 September 1815 in Weilburg, Charles married Princess Henrietta of Nassau-Weilburg ( 1797 – 1829 ).

* Henry Austin Bruce, 1st Baron Aberdare ( 1815 – 1895 )

He was crowned Emperor of the French and ruled from 1804 – 1814, 1815.

* Napoleon I ( 1804 – 1814, 1815 ), also King of Italy ( 1805 – 1814 ) and Emperor in Elba ( 1814 – 1815 )

It was invented in 1815 by Sir Humphry Davy.

Sir John Alexander Macdonald, ( 11 January 1815 – 6 June 1891 ), was the first Prime Minister of Canada.

Educated at Wolverhampton Grammar School, he was apprenticed in 1779 to Sir Charles Blicke ( 1745 – 1815 ), a surgeon at St Bartholomew's Hospital, London.

Sir David Brewster began work leading towards invention of the kaleidoscope in 1815 when he was conducting experiments on light polarization but it was not patented until two years later.

* Sir Thomas Maitland ( 1759 – 1824 ) 1815 – 1823

* Woodward, E. L., Sir ( 1962 ) The Age of Reform, 1815 – 1870, The Oxford history of England 13, 2nd Ed., Oxford: Clarendon Press, ISBN 0-19-821711-0

He advised on work to the buildings of Jesus College, Oxford in 1815, for which he required no fee but asked that the college should commission a portrait of him from Sir Thomas Lawrence to hang in the college hall.

* Sir Adye Douglas ( 1815 – 1906 ), Australian lawyer and politician, and first class cricket player

The house and lands which Effingham Golf Club is now based passed through many distinguished hands until in 1815 the house and of land came into the possession of Sir Thomas Hussey Apreece.

This was designed by Wyatt for Sir Thomas Legh in 1815 and is a Grade II listed building.

* Sir Thomas Troubridge, 3rd Baronet ( 1815 – 1867 ), British army officer

It was not until 1815 that Sir David Brewster was able to experiment with higher quality glasses and correctly formulate what is known as Brewster's law.

Memorial to Sir William Wilde and his wife located in Mount Jerome Cemetery, DublinSir William Robert Wills Wilde MD, FRCSI, ( March 1815 – 19 April 1876 ) was an Irish eye and ear surgeon, as well as an author of significant works on medicine, archaeology and folklore, particularly concerning his native Ireland.

Up to this time, miners had always used the safety lamp devised in 1815 by Sir Humphry Davy ( 1778 – 1829 ) but this new battery-powered Davy Lamp lamp eventually replaced the traditional safety lamp.

A posthumous work entitled Contemplatio Philosophica was printed for private circulation in 1793 by Taylor's grandson, Sir William Young, 2nd Bart., ( d 10 January 1815 ) prefaced by a life of the author, and with an appendix containing letters addressed to him by Bolingbroke, Bossuet, and others.

Lieutenant General Sir Thomas Picton GCB ( August 1758 – 18 June 1815 ) was a Welsh British Army officer who fought in a number of campaigns for Britain, and rose to the rank of lieutenant general.

Major-General Sir William Ponsonby KCB ( 13 October 1772 – 18 June 1815 ), styled The Honourable from 1806, was an Irish politician and British Army officer who served in the Peninsula War and was killed at the Battle of Waterloo.

Jane Perceval married Lieutenant-Colonel Sir Henry Carr, brother of the Reverend Robert James Carr, then vicar of Brighton, in 1815 and was widowed again six years later.

Sir Ambrose Shea, KCMG ( 17 September 1815 – 30 July 1905 ), from Newfoundland was a political and business figure in Colonial Newfoundland and later served as Governor of the Bahamas.

The Honourable Sir Edward Pakenham, second son of the second Baron, was a Major-General in the Army and was killed at the Battle of New Orleans in 1815.

* James Miller's response, " I'll try, Sir ", to Brown's order to capture the British guns is now the motto of the 5th U. S. Infantry, into which the 21st were merged in 1815 when Congress reduced the United States Army to a smaller peacetime establishment.

The third Sir Godfrey Webster began looking for buyers for the castle in 1815, and in 1829 he finally managed to sell it and of the surrounding land to John ' Mad Jack ' Fuller for £ 3, 000 (£ as of 2008 ).

Sir Henry Parkes, GCMG ( 27 May 1815 – 27 April 1896 ) was a statesman and politician who is considered the Father of the Australian Federation.

* Sir George Thomas, 3rd Baronet ( c. 1740 – 1815 ), British MP for Arundel