In the 19th century, calculus was put on a much more rigorous footing by mathematicians such as Augustin Louis Cauchy ( 1789 – 1857 ), Bernhard Riemann ( 1826 – 1866 ), and Karl Weierstrass ( 1815 – 1897 ).

A canal from Knottingley to the new docks and new town at Goole provided a much shorter route to the River Ouse from 1826.

It seems that neither man had much experience of such projects, as there was a suggestion in 1826 that a " properly qualified " engineer should be asked to assess the work done so far, and whether the two men should be allowed to proceed without further assistance, but the motion did not have general support, and so work continued.

Historical marker in Academy Park ( Albany, New York ) commemorating Henry's work with electricity. Henry excelled at his studies ( so much so, that he would often be helping his teachers teach science ) that in 1826 he was appointed Professor of Mathematics and Natural Philosophy at The Albany Academy by Principal T. Romeyn Beck.

Colburn ultimately published it as The Diary of an Ennuyée ( 1826 ), which attracted much attention.

* January 24, 1826: Treaty of Washington between the United States government and the Creek National Council, in which they ceded much of their land in Georgia

The rapid and extensive defection of the Congregational churches in Boston and vicinity, under the lead of William Ellery Channing and others in sympathy with him, had excited much anxiety throughout New England ; and in 1826 Beecher was called to Boston's Hanover Church, where he began preaching against the Unitarianism which was then sweeping the area.

The main shipyard was moved into Reposaari 1826 and ship building was increased so much, that there were several shipyards all along the coast of the region.

In 1826 Pierre Conscience married again, this time a widow much younger than himself, Anna Catherina Bogaerts.

Occurring from September 1826 until July 1831, Le Rouge et le Noir is the Bildungsroman of Julien Sorel, the intelligent, ambitious, protagonist from a poor family, who fails to understand much about the ways of the world he sets to conquer.

In 1826 the party took the name of Parti Patriote, reflecting a much stronger sense of French-Canadian nationalism and a change of strategy.

The bridge was opened to much fanfare on 30 January 1826 and reduced the journey time from London to Holyhead from 36 to 27 hours, a saving of 9 hours.

Not much is documented from the beginning of his trip to Paris that started in 1826.

During the War of 1812 it was burned, and restored finally in 1826, much as it is to-day.

Potter Palmer ( May 20, 1826 – May 4, 1902 ) was an American businessman who was responsible for much of the development of State Street in Chicago.

Although much of the early work on the Malfatti circles used analytic geometry, in 1826 Jakob Steiner provided the following simple synthetic construction.

The form in which Vivian Grey is published now is the revised 1853 edition, which was severely expurgated and hence lost much of the charm and freshness of the 1826 edition.

Soon its nickname was the " demi-Rep ." Maginn was brought back from Paris in March to try to salvage the paper, but it expired with much finger-pointing in the summer of 1826, and was merged with the New Times.

His investigation, also in 1826, of the two crystalline modifications of sulfur threw much light on the fact that the two minerals calc-spar and aragonite have the same composition but different crystalline forms, a property which Mitscherlich called isomorphism.

He ran again in 1826, and lost, this time to Federalist candidate, Charles Polk, Jr. With the realignment of parties that occurred following that election, Hazzard became an Adams-Clay supporter, much more in line with the majority in Delaware.

Three years later, in 1826, a fire broke out which destroyed much of the central interior, including the dining room and rooms on the garden side of the house.

James Ohio Pattie, along with a group of American trappers and mountain men, may have been the next European to reach the Canyon in 1826.

On May 1, 1826, the Orleans partition was again surveyed, with of land along the western half of the Orleans / Genesee border returned to Genesee.

In February 1826, the Pennsylvania state legislature approved $ 300, 000 for the construction of a canal along the Susquehanna ’ s eastern shore to bypass rapids and shallows and make the river navigable anywhere along its route.

First recorded as Durninum ( near / by thorns ) in a deed of gift from the Frankish Lord Herelaef to bishop Willibrord in 721, Deurne remained a collection of subsistence farming hamlets stretching ( North to South ) along the Peel peat moor until the 2nd half of the 19th century, when a newly built railroad ( Eindhoven-Venlo in 1866 ) and a canal ( Zuid-Willemsvaart canal in 1826 ) enabled the commercial exploitation of the moor.

" John Gilbert, who had recently completed work on sections of the Erie Canal, agreed with John Mack, and on May 10, 1826 he purchased of land along the Raisin River at that location.

He commissioned the construction of a grist mill along the Raisin River upon the land he had purchased in 1826.

In 1871, Purves moved from his home in Greene County and homesteaded the, along with his wife, Dorothy Abney, born May 14, 1826 in Hinds County, and their five surviving children, to the rural property.

Popular legend has it that William Mahone ( 1826 – 1895 ), builder of the Norfolk and Petersburg Railroad ( now Norfolk Southern ), and his cultured wife, Otelia Butler Mahone ( 1837 – 1911 ), traveled along the newly completed Norfolk and Petersburg Railroad naming stations.

From 1826 to the Battle of Singapore in 1942, Singapore was the capital of the Straits Settlements, a British colony that included the Settlements of Malacca and Penang along the Straits of Malacca.

In 1826, Jedediah Smith visited a camp along the Spanish Fork river that had 35 lodges with about 175 people.

In 1826, Brougham, along with Wellington, was one of the clients and lovers named in the notorious Memoirs of Harriette Wilson.

During 1825 and 1826, Ashmun took steps to lease, annex, or buy tribal lands along the coast and along major rivers leading inland.

The two original 1826 docks, along with all six others built later, are still in full operation.

On 26 October 1826, Frenchman Dumont d ' Urville in the L ' Astrolabe visited King George Sound before sailing along the south coast to Port Jackson.

Then in 1826, after the Congress in Santa Fe de Bogotá under Santander found a Venezuelan hero from the independence war guilty of assassinating the French Colonel Emanuel Roergas Serviez in Colombia, Páez initiated and led a movement that became known as " La Cosiata " ( a word that has never existed in Spanish language and that at the time was made up to refer to this movement and meaning something along the lines of " that weird thing without a name ").

It was founded in London in April 1826 by Sir Stamford Raffles, the Marquess of Lansdowne, Lord Auckland, Sir Humphry Davy, Robert Peel, Joseph Sabine, Nicholas Aylward Vigors along with various other nobility, clergy, and naturalists.

Between 1816 and 1826 discussions between Sir Stamford Raffles, Sir Humphry Davy, Sir Joseph Banks and others led to the idea that an establishment along the lines of the Jardin des Plantes was needed that would house a zoological collection " which should interest and amuse the public.

He was sent to parliament by his county in 1826 and again in 1830, but did not become generally known till the session of 1832 – 1836, when along with Ferenc Deák he, as a liberal Catholic, defended the Protestant point of view in the mixed marriages question.

From 1825 to 1826 the Matabele peoples defeated the Bakwena tribe and settled along the banks of the Magalies River under the leadership of Mzilikazi.

The treaty was concluded in the fall of 1826, along with an additional treaty which provided for the removal of a majority of the Miami tribe and almost all of the Pottawatomie a few years later.

In 1826 the English radical William Cobbett criticised in his Rural Rides the political economists ' hostility to the Poor Law: " Well, amidst all this suffering, there is one good thing ; the Scotch political economy is blown to the devil, and the Edinburgh Review and Adam Smith along with it ".