* J. H. Pratt 1809 – 1871, London ( England )

* 1809 – The Royal Opera House in London opens.

* Meadley, G. W. Memoirs of William Paley, to which is Added an Appendix, London, 1809.

* May 8 – Beilby Porteus, Bishop of London and abolitionist ( d. 1809 )

In 1804, he was chosen to give a course of lectures on natural philosophy at the Royal Institution in London, where he delivered another course in 1809 – 1810.

In June 1809 Jamison sailed to London to bolster his business interests and give evidence against Bligh in any legal prosecutions that might be brought against the mutineers.

Early formal organizations run by converted Jews include: the Anglican London Society for promoting Christianity among the Jews of Joseph Frey ( 1809 ), which published the first Yiddish New Testament in 1821 ; the " Beni Abraham " association, established by Frey in 1813 with a group of 41 Jewish Christians who started meeting at Jews ' Chapel, London for prayers Friday night and Sunday morning ; and the London Hebrew Christian Alliance of Great Britain founded by Dr. Carl Schwartz in 1866.

After considering a career as an academic, Barnes acceded to his family's wishes and embarked on a career in the law, moving to London in 1809 and entering the Inner Temple.

* Richard Young ( 1809 – 1871 ), MP ( ship owner ), Mayor of Wisbech 1858-62, one of the Sheriffs of the city of London 1871.

Nathan Mayer Rothschild initially started his business in Manchester England in 1806, and gradually moved it to London, where in 1809 he acquired the location at 2 New Court in St. Swithin's Lane, City of London, where it operates today ; he established N. M. Rothschild and Sons in 1811.

; 1809: Foundation of the The London Society for Promoting Christianity amongst the Jews

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London: T. Kelly, 1809.

London: T. Tegg, 1809.

Harmony Society building in Harmony, Pennsylvania, built in 1809.

The Lunar Society flourished from 1765 to 1809, and it has been said of them, " They were, if you like, the revolutionary committee of that most far reaching of all the eighteenth century revolutions, the Industrial Revolution ".

Regular meetings are recorded into the nineteenth century-eight in 1800, five or six before August 1801 and at least one in 1802, while as late as 1809 Leonard Horner was describing " the remnant of the Lunar Society " as being " very interesting ".

Biblica ( formerly known as the International Bible Society ) was founded in 1809 and is the worldwide publisher and copyright holder of the NIV, licensing commercial rights to Zondervan in the United States and to Hodder & Stoughton in the UK.

Biblica was founded December 4, 1809, in New York as the New York Bible Society by a small group of committed believers including such notables as Henry Rutgers, William Colgate and Theodorus Van Wyke.

Demonstrated to the public at the Royal Society 1809

He sent to the Royal Society, in 1809, a long paper on separating the chemical from the electrical effect of the dry pile a form of Voltaic pile, with a description of the electric column and aerial electroscope, in which he advanced opinions contradicting the latest discoveries of the day, and the council deemed it inexpedient to admit them into the Transactions.

Among the earliest musical societies were Halifaxs " New Union Singing Society " of 1809 and Quebec's " Harmonic Society " of 1820.

He became a leader among evangelical churchmen, was one of the founders of the Church Missionary Society in 1799, the London Society for Promoting Christianity Amongst the Jews ( now known as the Church's Ministry Among Jewish People or CMJ ) in 1809, and acted as adviser to the British East India Company in the choice of chaplains for India.

In early 1809 he read his paper called On the natural order of plants called Proteaceae to the Linnean Society of London.

Soho House, Matthew Boulton's home ( from 1766 until he died in 1809 ) in Handsworth, Birmingham, England, is now a museum ( opened in 1995 ), celebrating his life, his partnership with James Watt and his membership of the Lunar Society of Birmingham.

Bowditch's mathematical and astronomical work during this time earned him a significant standing, including election to the American Academy of Arts and Sciences in 1799 and the American Philosophical Society in 1809.

John Bradbury, a Fellow of the Linnean Society, was on the Mississippi on the night of December 15, 1811, and describes the tremors in great detail in his Travels in the Interior of America in the Years 1809, 1810 and 1811, published in 1817.

Earlier results included his original observations on snow and crystals ; and in 1809 Robert Jameson brought certain Arctic papers of his before the Wernerian Society of Edinburgh, which at once elected him to its membership.

In 1809, the Historical Society and its collections moved to the Government House on Bowling Green.

Troughton was awarded the Copley Medal of the Royal Society in 1809.

In 1809, Pigeon Hall, a seminary of the French Society of St. Sulpice was transferred to Emmitsburg and marked the beginning of higher education at Mount St. Mary.

However, a note dated 1810 records the death on April 14, 1809 of Mr J. Morrison of Perth, " Editor and Publisher of this Encyclopedia – a teacher of religion of the Society of Glasgites ".

He was elected a Fellow of the Royal Society in February 1809, having been awarded their prestigious Copley Medal in 1808.

He was a trustee of Dr. Williams's Foundation from 1809 to 1853, a member of the presbyterian board from 1813, and its secretary from 1825 to 1853, and some time secretary of the Unitarian Society.