At the age of 17 he became an apprentice machinist at the shop of Walcott & Harris in Valley Falls, Rhode Island, and following two or three other jobs in quick succession after graduation, he went into business for himself in 1831, making lathes and small tools.

In 1831 he became a member of the 90th Regiment of the Tennessee militia.

After his expulsion became official in January 1831, he attempted to start a private class in advanced algebra which attracted some interest, but this waned, as it seemed that his political activism had priority.

They had two children, Lady Emily Elizabeth Bulwer-Lytton ( 1828 – 1848 ), and ( Edward ) Robert Lytton Bulwer-Lytton, 1st Earl of Lytton ( 1831 – 1891 ) who became Governor-General and Viceroy of British India ( 1876 – 1880 ).

In 1831 Bulwer-Lytton became the editor of the New Monthly but he resigned the following year.

" " After the middle-class Revolution of 1830, Bastiat became politically active and was elected justice of the peace of Mugron in 1831 and to the Council General ( county-level assembly ) of Landes in 1832.

With Georg Wilhelm Friedrich Hegel ( 1770 – 1831 ) in philosophy, Friedrich Schleiermacher ( 1768 – 1834 ) in theology and Leopold von Ranke ( 1795 – 1886 ) in history, the University of Berlin, founded in 1810, became the world's leading university.

In 1831, he became an absentee cotton planter, sending slaves to clear plantation land that his father had left him near Somerville, Tennessee.

Marx became interested in, but critical of, the work of the German philosopher G. W. F Hegel ( 1770 – 1831 ), whose ideas were widely debated amongst European philosophical circles at the time.

It was not called that until 8 July 1831, but the area outside the Potsdam Gate began to develop in the early 19th century as a district of quiet villas, for as Berlin became even more congested, many of its richer citizens moved outside the customs wall and built spacious new homes around the trading post, along the newly developing boulevards, and around the southern edge of the Tiergarten.

Additionally, John Quincy Adams, elected President as a Democratic-Republican, later became a National Republican and then a Whig after he was elected to the House of Representatives in 1831.

He came to Helsinki in 1831 and became a member of the circle of young nationalist men surrounding Johan Ludvig Runeberg, in whose home he stayed for some time.

In 1831 Mazzini travelled to Tuscany, where he became a member of the Carbonari, a secret association with political purposes.

In 1831 he went to Marseille, where he became a popular figure to the other Italian exiles.

A phrase that became popular after the publication in 1831 of a paper by Mantell entitled " The Age of Reptiles " that summarised the evidence that there had been an extended geological era when giant reptiles has swarmed the land, air, and sea.

* Socrate Polara ( 1800 – 1860 ) ( Italy ), founded the first dedicated ophthalmology clinic in Sicily in 1829 entirely as a philanthropic endeavor ; later appointed as the first director of the ophthalmology department at the Grand Hospital of Palermo, Sicily ( Italy ) in 1831 after the Sicilian government became convinced of the importance of state support for the specialization.

He was elected on 4 June and accepted and became " King of the Belgians " on 26 June 1831.

In 1831 the Choctaw were the first to be removed, and they became the model for all other removals.

In 1831, the " Mamaluke " sword became a regulation pattern for British general officers ( and is still in use today ).

However, he quickly grew bored of that post, and became the district attorney for the eastern district of Pennsylvania in 1829, a position his father had held from 1801 to 1814, and continued in that role until 1831.

File: Tazewell County Illinois 1830. png | Tazewell County between 1830 and 1831: the additional territory to the east became McLean County.

File: Tazewell County Illinois 1831. png | Tazewell County between 1831 and 1841: the last of the county's additional territory became part of LaSalle County.

Through a contact made while working at Windsor, he became interested in the design of theatre scenery, and in 1831 obtained a commission to design the sets for the production of a new opera called Kenilworth at Covent Garden.

After Te Rauparaha's sack of the large pa ( fortified settlement ) at Kaiapoi near modern Christchurch in 1831, refugees came south and gained permission to settle at Kakaunui ( Kakanui ), and the territory between Pukeuri and Waianakarua, including the site of urban Oamaru, became their domain.

Early in 1831 he went as assistant to the aged pastor of the village of Lützelflüh, in the Upper Emmental ( between Langnau and Burgdorf ), being soon elected his successor ( 1832 ) and marrying one of his granddaughters ( 1833 ).

This story is not verified by historical sources-the name draws on the definition of leap: " The sudden fall of a river to a lower level " ( OED ) and is named after William Romaine Govett, an assistant to the Surveyor General of NSW at the time, who first came upon that spot in June 1831.

He studied medicine in the university of his native town, and in 1831 he became assistant in the chemical schools.

His eldest son Vojtěch ( 1831 – 1902 ) became an important chemist, Jaroslav ( 1833 – 1862 ) became a military doctor and later the supreme assistant at the Joseph Academy in Vienna, Vladislav ( 1841-?

During the course of his studies, in 1831, he started working as an assistant at the chemical laboratory of the university.

In 1830, he was appointed as assistant surgeon to the East India Company, and arrived in Calcutta, Bengal ( then the capital of British India ), in 1831.

After a time he moved to Lafayette, Indiana, where he worked as the assistant clerk of the Indiana House of Representatives from 1831 – 32, moving up to the full clerkship in 1832-35.

In 1831, he obtained employment under Jesse Hartley in the engineers office at the Liverpool docks, and for four years from 1836 he was engaged under Robert Stephenson as assistant resident engineer for the Blisworth section of what is now the London & North-Western main line from London to the North.

In 1831 Gauss developed a fruitful collaboration with the physics professor Wilhelm Weber, leading to new knowledge in magnetism ( including finding a representation for the unit of magnetism in terms of mass, length and time ) and the discovery of Kirchhoff's circuit laws in electricity.

His son Heinrich Ludwig Planck ( 1785 – 1831 ), also professor of theology at Göttingen, published Bemerkungen über den ersten Brief an den Timotheus ( 1808 ) and Abriss d. philos.

In 1831 Heinrich Ewald was promoted to professor ordinarius in philosophy ; in 1833 he became a member of the Royal Scientific Society, and in 1835, after Tychsen's death, he entered the faculty of theology, taking the chair of Oriental languages.

In 1828 Lardner was elected professor of natural philosophy and astronomy at University College, London, a position he held until he resigned his professorship in 1831.

In addition to his studies, he became a professor of Latin in 1829 and a prefect of discipline in 1831.

The son of a bricklayer he rose to the top of his profession, becoming professor of architecture at the Royal Academy, an official architect to the Office of Works and received a knighthood in 1831.

After graduating from Harvard, he remained as a tutor ( 1829 ), and was subsequently appointed professor of mathematics in 1831.

In 1831 they were taken to St. Petersburg, where they were accidentally discovered in 1890 by the renowned professor of Polish, Aleksander Brückner.

Daniell was born in London, and in 1831 became the first professor of chemistry at the newly founded King's College London.

Schlözer's son Christian ( 1774 – 1831 ) was a professor at Bonn, and published Anfangsgründe der Staatswirthschaft ( 1804 – 1806 ) and his father's Öffentliches und Privat-Leben aus Originalurkunden ( 1828 ).

Three years later he became professor of natural history in Bonn, where he established the Botanische Gärten der Friedrich-Wilhelms-Universität Bonn, and in 1831 he was appointed to the chair of botany at the university of Breslau.

From 1831 to 1846 he was professor of Greek at Yale.

Born at Parma, in 1824 he was appointed professor at the local University but was compelled to escape to France after taking part in the revolution of 1831.

Leopold Ackermann ( 17 November 1771, Vienna – 9 September 1831 ), known by his cloistral name as Petrus Fourerius, was a professor of exegesis.

Returning to Germany in 1831 Neumann was made professor of Armenian and Chinese in the university of Munich.

* Samuel Miller ( theologian ) ( 1769 – 1850 ), professor at Princeton Theological Seminary and author of The Ruling Elder ( 1831 )

In 1807 he was appointed teacher of mathematics at Lund University, in 1812 appointed professor of botany and natural sciences, and was elected a member of the Royal Swedish Academy of Sciences in 1817, and of the Swedish Academy in 1831.

Returning to Königsberg in 1831 he established himself as a Privatdozent in Roman law, becoming two years later extraordinary, and in 1836 ordinary, professor in the faculty of the university.

After studying at Bologna, he became professor of mathematics at Modena, and in 1831 was appointed inspector-general of studies in the Duchy of Modena.

Josef ( Joseph ) August Schultes ( 15 April 1773 in Vienna-21 April 1831 in Landshut ) was an Austrian botanist and professor from Vienna.

In 1831 he was elected professor of the principles and practice of physic in London University ( now University College London ), and in 1834 he became physician to University College Hospital.

Another important name in the history of the Museum is the zoologist, paleontologist and archaeologist Sven Nilsson, who brought the previously disorganised zoological collections of the Museum into order during his time as keeper ( 1828 – 1831 ) before returning to Lund as professor.

In 1823 he was appointed lecturer at Copenhagen University on chemistry and mineralogy ; in 1829 he obtained a similar post in the newly established polytechnic school ; and in 1831 he was appointed professor of mineralogy in the university, and in 1848 became curator of the geological museum.