In 1842 the King even raised Siebold to the peerage as an esquire.

The Pickelhaube was originally designed in 1842 by King Frederick William IV of Prussia, perhaps as a copy of similar helmets that were adopted at the same time by the Russian military.

New roads are opened, including the way of King Ferdinand ( now Via Vittorio Emanuele ), in 1842 the Bridge of Lions is erected near the old Roman bridge Arena ; installed gas lighting at night.

In 1842 Malmaison was purchased by Maria Christina, widow of King Ferdinand VII of Spain ; she lived there with her second husband Agustín Fernando Muñoz, 1st Duke of Riánsares.

It was originally called " The King of Prussia ", either in honour of Frederick the Great or else after King Frederick William IV who visited the area in 1842 to meet Elizabeth Fry, the prison reformer.

The Efik people specifically requested for the evangelization of their kingdom in writing and the letters are dated 1st December, 1842 and 4th December, 1842 from King Eyo Honesty II and King Eyamba V respectively.

The university was established on January 8, 1842 by King William II of the Netherlands as a Royal Academy, with the main purpose of training civil servants for the Dutch East Indies.

Delft University of Technology was founded on January 8, 1842 by King William II of the Netherlands as Royal Academy for the education of civilian engineers, for serving both nation and industry, and of apprentices for trade.

From 1842 – 1849, King Ludwig I of Bavaria built a country house to the west of town.

Prince Ferdinand Philippe of Orléans ( 3 September 1810 – 13 July 1842 ) was the eldest son of Louis Philippe d ' Orléans, Duke of Orléans and future King Louis Philippe I.

** Wallis declared to be a French protectorate by King of Uvea and Captain Mallet, 4 November 1842.

* Muhammad Ali Shah ( 1777 – 1842 ), 4th King & Nawab of Awadh

After several years in Leipzig and Jena, King Frederick William IV of Prussia appointed him in October 1842 to a professorship at the University of Bonn.

In the meantime, in 1842, at the wish of King Louis Philippe, he succeeded Cherubini as director of the Conservatoire.

In 1842, Gull was appointed to teach Materia Medica at Guy's Hospital, and the Treasurer gave him a small house in King Street, with an annual salary of £ 100.

After 1842, when King Christian VIII of Denmark chose Föhr as his summer residence, the island became popular as a tourist resort.

A prospectus for the Ethnological Society was issued in July 1842 by Richard King.

On April 19, 1842, a column of 200 soldiers led by First Lieutenant George A. McCall found a group of Seminole warriors in the Pelchikaha Swamp, about thirty miles south of Fort King.

In early 1842, both groups organized elections of their own, leading in April to the selections of both Dorr and Samuel Ward King as Governor of Rhode Island.

In September 1842, a session of the Rhode Island General Assembly met at Newport, Rhode Island, and framed a new state constitution, which was ratified by the old, limited electorate, was proclaimed by Governor King on January 23, 1843, and took effect in May.

Frederick William IV introduced the Pickelhaube for use by the majority of Prussian infantry on October 23, 1842 by a royal cabinet order.

* November 3 – Frederick Rodgers, American admiral ( b. 1842 )

But Mathew had signed a petition against human bondage in 1842 when he had hosted former slave Frederick Douglass in his Cork home.

His activity as professor ceased in March 1842, when he was appointed "" ( High Chancellor ), the title given by Frederick the Great in 1746 to the official at the head of the juridical system in Prussia, as in this position he carried out several important law reforms in regard to bills of exchange and divorce.

During 1842, Taylor, together with his Cambridge friends Frederick Ponsonby ( Earl of Bessborough ), Charles G. Taylor and William Bolland, formed the Old Stagers, which is recognised as the oldest amateur drama society still performing.

She married three times: firstly, in 1879, to Frederick Gustavus Burnaby ( 1842 – 1885 ); secondly, in 1886, to John Frederick Main ( died 1892 ); and thirdly, in 1900, to Francis Bernard Aubrey Le Blond.

Further extensions opened to Frederick ( including the short Frederick Branch ) December 1, 1831, Point of Rocks April 2, 1832, Sandy Hook December 1, 1834 ( the connection to the Winchester and Potomac Railroad at Harpers Ferry opening in 1837 ), Martinsburg May 1842, Hancock June 1842, Cumberland November 5, 1842, Piedmont July 21, 1851, Fairmont June 22, 1852, and its terminus at Wheeling, West Virginia ( then part of Virginia ) on January 1, 1853.

* Frederick Stuart Church ( 1842 – 1924 ), American painter from Michigan

In December 1842 Frederick Dalgety arrived in Melbourne and would soon be a merchant concentrating on ' the settlers ' trade ', providing merchandise for the squatters and buying their produce which he would ship to England.

The first written report of Labna was by John Lloyd Stephens who visited it with artist Frederick Catherwood in 1842.

He cooperated in several now unimportant works, and in 1842 received a pension of 300 thalers from the Prussian king, Frederick William IV.

John Christian Frederick Heyer ( known as Father Heyer ) established the Andhra Evangelical Lutheran Church on 31 July 1842

A first prison, the Zellengefängnis ( Cell Prison ) on Lehrter Straße was built between 1842 and 1849 by order of King Frederick William IV of Prussia according to the " separate system " of Pentonville Prison.

Paul Friedrich's oldest son was Frederick Francis II, Grand Duke of Mecklenburg-Schwerin ( 1823 – 1883 ), who succeeded as Grand Duke in 1842.

On her return to Haworth, she met William Weightman ( 1814 – 1842 ), her father's new curate, who started work in the parish in August 1839.

* 1780 – William Ellery Channing, Unitarian theologian ( d. 1842 )

Nevertheless, all the distinctive Christadelphian doctrines, down to interpretations of specific verses, can be found particularly among 16th century Socinian writers ( e. g. the rejection of the doctrines of the trinity, pre-existence of Christ, immortal souls, a literal hell of fire, original sin ) Christian Thomasius ( 1704 ), Arthur Ashley Sykes ( 1737 ), Nathaniel Lardner ( 1742 ), Dr. Richard Mead ( 1755 ), Hugh Farmer ( at least in the account of Christ's temptation ; 1761 ), William Ashdowne ( 1791 ), John Simpson ( 1804 ) and John Epps ( 1842 )

Based on this work, the first fuel cell was demonstrated by Welsh scientist and barrister Sir William Robert Grove in the February 1839 edition of the Philosophical Magazine and Journal of Science and later sketched, in 1842, in the same journal.

In the work of diverse theorists such as William James ( 1842 – 1910 ), Michel Foucault ( 1926 – 1984 ) and Hayden White, important critiques of hierarchical epistemology are advanced.

* 1842 – William James, American psychologist and philosopher ( d. 1910 )

* 1842 – Dr. William Brydon, an assistant surgeon in the British East India Company Army during the First Anglo-Afghan War, becomes famous for being the sole survivor of an army of 4, 500 men and 12, 000 camp followers when he reaches the safety of a garrison in Jalalabad, Afghanistan.

John William Strutt, 3rd Baron Rayleigh, OM ( 12 November 1842 – 30 June 1919 ) was an English physicist who, with William Ramsay, discovered argon, an achievement for which he earned the Nobel Prize for Physics in 1904.

American psychologist and philosopher William James ( 1842 – 1910 ) was an early psychical researcher.

Buckminster's close associate William Ellery Channing ( 1780 – 1842 ) was settled over the Federal Street Church in Boston, 1803 ; and in a few years he became the leader of the Unitarian movement.

" It is interesting to note that Jardine had helped James Stewart's son William by giving him a place in the firm in Canton as a clerk in the 1830s and eventually became a partner in 1842.

* August 26 – William James, American psychologist and philosopher ( b. 1842 )

* September 26 – William Hobson, first Governor of New Zealand ( d. 1842 )

William Charles Macready mounted the play several times between 1837 and 1842.

Later that year, the struggling company was taken over by James H. Whiting ( 1842 – 1919 ), who moved it to his hometown of Flint, Michigan, and brought in William C. Durant in 1904 to manage his new acquisition.

His son, George William Clinton ( 1807 – 1885 ), served as Mayor of Buffalo, New York, 1842 – 1843.

* 1842 – William Robert Grove demonstrates the thermal dissociation of molecules into their constituent atoms, by showing that steam can be disassociated into oxygen and hydrogen, and the process reversed

Garrick's play was a huge success, and major productions took place in the United States in 1756 ( with Hannah Pritchard as Catharine ), in 1788 ( with Sarah Siddons and John Philip Kemble ), in 1810 ( again with Kemble and his real life wife, Priscilla Hopkins Brereton ), and in 1842 ( with William Macready as Petruchio ).

Other successful productions of the play were staged by William Charles Macready ( 1842 ) and Charles Kean ( 1846 ).

Portrait of William Wordsworth, 1842, by Benjamin Haydon

The orchestra was founded by the American-born conductor Ureli Corelli Hill in 1842, with the aid of the then famous and feted Irish composer, William Vincent Wallace, Wallace, as the Philharmonic Society of New York – the third Philharmonic on American soil since 1799, declaring as its purpose " the advancement of instrumental music.

Other churches include St. Peter's Church by Lewis Vulliamy ( 1841 ), St James the Less by Lewis Vulliamy ( 1842 ), St James the Great by Edward Blore ( 1843 ), and St Bartholomew by William Railton ( 1844 ).