Portugal further bases its case on Article 105 of the Treaty of Vienna of 1815, which Spain signed in 1817, that states that the winning countries are to " endeavour with the mightiest conciliatory effort to return Olivenza / Olivença to Portuguese authority ".

The Ponca tribe was never at war with the US and signed the first peace treaty in 1817.

The Concordat of 11 June 1817 was set to replace the Concordat of 1801, but, despite being signed, it was never validated.

In 1817, The Ohio Shawnee Native American tribe signed the Treaty of Fort Meigs to receive reservation land at Hog Creek near Ada.

* Spain ( 1817 ): A Treaty was signed with Spain under which she agreed to abolish the slave trade north of the Equator and suppress it totally by 30 May 1820 for which the British government paid Spain 400, 000 pounds ;

In 1817 the African Company of Merchants signed a treaty of friendship that recognized Asante claims to sovereignty over large areas of the coast and its peoples.

* April 29, 1817: Rush – Bagot Treaty signed between the U. S. and the United Kingdom

In 1817, he was one of two commissioners ( along with Duncan McArthur ) who negotiated the Treaty of Fort Meigs, which was signed September 29 of that year with several Native American tribes.

On June 23, 1817 the Articles of Association were signed, making it Canada's oldest bank.

The following merchants signed the Articles of Association for the creation of the " Montreal Bank " on June 23, 1817:

Holkar was defeated on 21 December 1817 and signed the Treaty of Mandeswar

The origins of the Rush – Bagot Treaty can be traced to a correspondence of letters between Acting United States Secretary of State Richard Rush and the British Minister to Washington Sir Charles Bagot, which were exchanged and signed on April 27 and 28, 1817.

The treaty ( The Treaty of Pune ) was signed on 13 June 1817.

Holkar was defeated on 21 December 1817 and signed the Treaty of Mandeswar on 6 January 1818.

Due to this, Gaffur Khan Pindari secretly signed a treaty with the British on 9 November 1817 and accordingly killed Tulsabai on 19 December 1817.

In 1817 the tribe signed a peace treaty with the United States.

Treaties signed between Sikkim and Nepal – the Sugauli Treaty and Sikkim and British India – Titalia Treaty, returned the territory annexed by the Nepalese to Sikkim in 1817.

This treaty, signed on September 29, 1817 also provided for the University of Michigan, as well as other grants.

Three months later, on Dec. 10, 1817, his official patent (# 2346 ) was signed by President James Monroe and Josiah Meigs, Commissioner of the General Land-Office.

* 1817 – Thomas Hopkins Gallaudet and Laurent Clerc founded the American School for the Deaf, the first American school for deaf students, in Hartford, Connecticut.

The mineral was first discovered in Saxony by August Breithaupt in 1817, and named by him from the Greek amblus, blunt, and gouia, angle, because of the obtuse angle between the cleavages.

A form of this epsilon-delta definition of continuity was first given by Bernard Bolzano in 1817.

Chlorophyll was first isolated by Joseph Bienaimé Caventou and Pierre Joseph Pelletier in 1817.

The disease first spread by trade routes ( land and sea ) to Russia in 1817, then to Western Europe, and from Europe to North America.

The first cholera pandemic occurred in the Bengal region of India starting in 1817 through 1824.

Lowell and his partners built America's second cotton-to-cloth textile mill at Waltham, Massachusetts, second to the Beverly Cotton Manufactory After his death in 1817, his associates built America's first planned factory town, which they named after him.

Finally, he was sent to be minister to the Court of St. James's ( Britain ) from 1815 until 1817, a post that had first been held by his father.

* 1817 – The first Great Lakes steamer, the Frontenac, is launched.

He operated the family farm from 1788 to 1817, but sold it in the first year of his presidency to the new college.

* 1817 – Opening of the first private mental health hospital in the United States, the Asylum for the Relief of Persons Deprived of the Use of Their Reason ( now Friends Hospital ) in Philadelphia, Pennsylvania.

It was first isolated in 1804 by Friedrich Sertürner, first distributed by him in 1817, and first commercially sold by Merck in 1827, which at the time was a single small chemists ' shop.

* 1766 – Nancy Storace, the first soprano to sing Susanna in Mozart's opera Le nozze di Figaro ( d. 1817 )

Trade secret law as we know it today made its first appearance in England in 1817 in Newbery v. James, ( 1817 ) 2 Mer.

Poe may have been inspired to focus on the purposeful impersonal torture in part by Juan Antonio Llorente's History of the Spanish Inquisition, first published in 1817.

Chile was retaken by Spain in 1814, but lost permanently in 1817 when an army under José de San Martín, for the first time in history, crossed the Andes Mountains from Argentina to Chile, and went on to defeat Spanish royalist forces at the Battle of Chacabuco in 1817.

* April 15, 1817 – The first American school for the deaf opens in Hartford, Connecticut.

By 1817, Principality of Serbia proclaims self-rule from Ottoman Empire, thus becoming the first nation-state in Europe.

* Jonathan Edwards ( Washington & Jefferson College ) ( 1817 – 1891 ), first president of Washington & Jefferson College

In 1817 he was made conductor of the college orchestra, composing a number of symphonies, and concertos for various instruments-including six for flute about 1818-1819, and whose autograph scores are in the Naples conservatory, where they were presumably first performed with him as soloist.

Radama concluded a treaty in 1817 with the British governor of Mauritius to abolish the lucrative slave trade in return for British military and financial assistance.

The 1817 Rush-Bagot Treaty between the United States and the United Kingdom was the first arms control treaty of what can be considered the modern industrial era, leading to the demilitarization of the Great Lakes and Lake Champlain region of North America.

Article 8 in the 1817 treaty with the Cherokee stated Cherokees may wish to become citizen of the United States.

Washington County began as part of the Cherokee Territory, following an 1817 treaty.

The Anglo-Merina treaty of friendship was sealed by a blood oath between Radama and the British envoy Captain Le Sage in 1817.

Due to treaty complications of the Treaty of Ghent requiring the return of seized assets, putative ownership of the site was returned to the United States in 1817, although the fort, renamed Fort George by the North West Company, continued to operate until the Hudson's Bay Company's takeover and the replacement of Fort Astoria by Fort Vancouver.

Britain continued to press other nations to end their trade with a series of treaties: the 1810 Anglo-Portuguese treaty whereby Portugal agreed to restrict its trade into its colonies ; the 1813 Anglo-Swedish treaty whereby Sweden outlawed its slave trade ; the 1814 Treaty of Paris 1814 whereby France agreed with Britain that the slave trade was " repugnant to the principles of natural justice " and agreed to abolish the slave trade in five years ; the 1814 Anglo-Dutch treaty whereby the Netherlands outlawed its slave trade ; and the 1817 Anglo-Spanish treaty that Spain agreed to suppress its trade by 1820.

* 1817 — Chief Administrator Captain Leonty Gagemeister conducts treaty with local tribal chiefs for possession of property near Fortress Ross.

Among Wyon's medals may be mentioned: 1809, Pearce medal ; 1810, Isis medal ( re-engraved in 1813 ); medal of Wellington ; 1812, Wooldridge medal ; medal for Royal Naval College, Portsmouth ; 1813, Manchester Pitt Club medal ; ‘ Upper Canada preserved ;’ 1814, medals presented to the North American Indians ; medal of the tsar of Russia struck during the visit of the Grand Duchess of Oldenburg to the English mint ; treaty of Paris ( published by Rundell & Co. from his ‘ Peace checking the Fury of War ,’ a design which had gained the gold medal of the Society of Arts ); centenary of accession of house of Brunswick ( for the corporation of Cork ), and Liverpool Pitt club medal ; 1815, Waterloo medal, with reverse, Victory, adapted from a Greek coin of Elis ( Mayo, Medals, plate 22 ); and 1817, opening of Waterloo Bridge.

In 1817, following a treaty between Britain and the Ottoman Empire, the British granted Parga to the Ottomans.

Jackson was negotiating a treaty with the Cherokee when Adair's response was printed ; consequently, his reply did not appear in print until September 3, 1817.

In the treaty of 1814, the king of Spain promised to consider means for abolishing the trade ; so, referring to this promise the king states in the treaty of September 23, 1817, with Great Britain that " having never lost sight of a matter so interesting to him and being desirous of hastening the moment of its attainment, he has determined to co-operate with His Britannic Majesty in adopting the cause of humanity.

Still active in Indian issues in 1817, Chouteau served as a U. S. Commissioner of Indian Affairs with William Clark in the first U. S. treaty with the Ponca tribe.