In 1805 he was elected to succeed John Playfair in the chair of mathematics at Edinburgh, not, however, without violent, though unsuccessful, opposition on the part of a narrow-minded clerical party who accused him of heresy in something he had said as to the unsophisticated notions of mankind about the relation of cause and effect.

After 1805 he practically lost the use of his legs and had to be wheeled to his meetings in a chair, but his mind remained as vigorous as ever.

In 1805 he obtained the professorship of law at Frankfurt ( Oder ), holding it till 1811, when he accepted the same chair at the new Friedrich Wilhelm University in Berlin.

He gave his first philosophical lectures at Göttingen around 1805, whence he removed in 1809 to occupy the chair formerly held by Kant at Königsberg.

He was appointed to the then newly created chair of philosophy of religion in 1805.

Jean Fourier, impressed by Plana's abilities, managed to have him appointed to the chair of mathematics in a school of artillery in Piedmont in 1803, which came under the control of the French in 1805.

After 10 years, Lord Eldon, then Lord Chancellor, ruled in 1805, " There is no authority for thus changing the nature of the Charity, and filling a School intended for the purpose of teaching Greek and Latin with Scholars learning the German and French languages, mathematics, and anything except Greek and Latin.

In mathematics, the Dirichlet ( or first-type ) boundary condition is a type of boundary condition, named after Johann Peter Gustav Lejeune Dirichlet ( 1805 – 1859 ).

In 1805 he became a candidate for the vacant professorship of mathematics at The University of Edinburgh, but was unsuccessful.

Born in London, he was educated there at Westminster School, then went in 1805 to Christ Church, Oxford, where in 1808 he took his degree of BA, with a first in classics and second in mathematics, and proceeded to MA three years later.

Since 1783 the son of a priest ( of Ließau ) studied mathematics and philosophy at Königsberg, where Christian Jakob Kraus, Johann Schultz ( 1739 – 1805 ) and Immanuel Kant had been his teachers.

In 1805 President Thomas Jefferson considered possessing Cuba for strategic reasons, sending secret agents to the island to negotiate with Governor Someruelos.

Each of Nelson's Royal Navy war ships at Trafalgar ( 1805 ) required 6, 000 mature oaks for its construction.

The French Republican Calendar () or French Revolutionary Calendar ( calendrier révolutionnaire français ) was a calendar created and implemented during the French Revolution, and used by the French government for about 12 years from late 1793 to 1805, and for 18 days by the Paris Commune in 1871.

Under its founder and spiritual leader, Johann Georg Rapp ( 1757 – 1847 ); Frederick ( Reichert ) Rapp ( 1775 – 1834 ), his adopted son who managed its business affairs ; and their associates, the Society existed for one hundred years ; roughly from 1805 until 1905.

Napoleon had won a decisive victory at the Battle of Austerlitz in 1805, and as a consequence Europe remained mostly at peace for the next few years.

Adrien-Marie Legendre ( 1805 ) developed the method of least squares, and introduced it in his Nouvelles méthodes pour la détermination des orbites des comètes ( New Methods for Determining the Orbits of Comets ).

In New York City, in 1805, a pair of pigeons sold for two cents.

In 1804, he had moved from the University of Kiel to the University of Landshut, but, on being commanded by King Maximilian Joseph to draft a penal code for Bavaria ( Strafgesetzbuch für das Königreich Bayern ), in 1805 he moved to Munich where he was given a high appointment in the Ministry of Justice and was ennobled in 1808.

Some Native Americans captured Europeans and used them as both labourers and bargaining chips ; see for example John R. Jewitt, an Englishman who wrote a memoir about his years as a captive of the Nootka people on the Pacific Northwest Coast from 1802 – 1805.

In 1805 there was another new act, and in 1823 – 24 again an elaborate inquiry followed by an act making the quarantine only at discretion of the privy council, and at the same time recognizing yellow fever or other highly infectious disorder as calling for quarantine measures along with plague.

The dates for some of these celebrations have undergone some changes: in 1805, 1855, and 1905 ( and in England in 1955 ) anniversaries were calculated with Boniface's death dated in 755, the " Mainz tradition "; Michael Tangl's dating of the martyrdom in 754 was not accepted until after 1955.

* William Paley ( 1743 – 1805 ) English theologian known for his exposition of the teleological argument and rational religion.

President Thomas Jefferson held an open house for his second inaugural in 1805, and many of the people at his swearing-in ceremony at the Capitol followed him home, where he greeted them in the Blue Room.

Aided by Matheson's nephew, Alexander Matheson ( 1805 – 1881 ) and MP John Abel Smith, Jardine met several times with Palmerston to argue the necessity for a war plan.

Giuseppe Mazzini (; 22 June 1805 – 10 March 1872 ), nicknamed The Beating Heart of Italy, was an Italian politician, journalist and activist for the unification of Italy.

His first attempt, for the 1805 premiere, is believed to have been the overture now known as " Leonore No. 2 ".

As a reward for his services at Austerlitz ( 2 December 1805 ) he became the 1st Sovereign Prince of Ponte Corvo ( 5 June 1806 ), but during the campaign against Prussia, in the same year, was severely reproached by Napoleon for not participating with his army corps in the battles of Jena and Auerstädt, though close at hand.

Napoleon's naval plan in 1805 was for the French and Spanish fleets in the Mediterranean and Cadiz to break through the blockade and join forces in the Caribbean.

Examples of " Hindoo " architecture are Sezincote House ( c. 1805 ) in Gloucestershire, built for a nabob returned from Bengal, and the Royal Pavilion in Brighton.

He found no difficulty in obtaining a grant for foreign travel from the government, and he left his native country for the first time, joining Steffens at Halle in August 1805.

Fight for the flag between French line infantry and Imperial Guard ( Russia ) | Russian Guard cuirassier s at the battle of Austerlitz ( 1805 ).

Jacob, who was still financially responsible for his mother, brother, and younger siblings, accepted a post in Paris as research assistant to von Savigny in 1805.

In 1805, English instructor and natural philosopher John Dalton used the concept of atoms to explain why elements always react in ratios of small whole numbers ( the law of multiple proportions ) and why certain gases dissolved better in water than others.

The Life and Pontificate of Leo the Tenth appeared in 1805, and was a natural sequel to his previous work of history.

Beethoven was arguably not a natural composer of opera and, although Fidelio was premiered in 1805, it was not until 1814 that he produced its final version.

Prince Alexey Fyodorovich Orlov ( 19, October 1787-21, May 1862 ), the natural son of Count Fyodor Grigoryevich, was born October 8 ( October 19, 1786 New Style ) in Moscow and took part in all the Napoleonic wars from 1805 to the capture of Paris.

Prince Alexey Fyodorovich Orlov ( 1787 – 1862 ), the natural son of Count Fyodor Grigoryevich, was born October 8 ( October 19, 1786 New Style ) in Moscow and took part in all the Napoleonic wars from 1805 to the capture of Paris.

Donovan was, at first, the very successful author of a number of natural history titles, including Natural History of British Birds ( 1792 – 97 ), Natural History of British Insects ( 1792 – 1813 ), Natural History of British Fishes ( 1802 – 08 ) and the two-volume Descriptive Excursions through South Wales and Monmouthshire in the Year 1804, and the Four Preceding Summers ( 1805 ) and the short-lived Botanical Review, or the Beauties of Flora ( London, 1789 – 90 ).

* Instructions for collecting and preserving various subjects of natural history: as quasrupeds, birds, reptiles, fishes, shells, corals, plants, & c.: together with a treatise on the management of insects in their several states ; selected from the best authorities by E. Donovan. London, Rivington 1805 ( 2nd ed.

He directed the department of natural history in Erlangen from 1805.

William Thompson ( December 2, 1805 – February 17, 1852 ) was an Irish naturalist celebrated for his founding studies of the natural history of Ireland, especially in ornithology and marine biology.