Public schools were made mandatory in Sweden by law in 1842 and the influence of school teachers increased, as did the pressure to reform Swedish spelling.

* 1842 April 20-Adelsverein Fisher-Miller Land Grant sets aside three million acres ( 12, 000 km² ) to settle 600 families and single men of German, Dutch, Swiss, Danish, Swedish, and Norwegian ancestry in Texas.

* 1842 Adelsverein Fisher-Miller Land Grant sets aside three million acres ( 12, 000 km² ) to settle 600 families and single men of German, Dutch, Swiss, Danish, Swedish, and Norwegian ancestry in Texas.

* Matilda Elizabeth Somerset ( 1815-3 April 1905 ) ( portrait 1843 ) who married 1842 Horace Marryat ( 1818-1887 ), a prolific traveller in Europe, and had issue two sons-Adrian Somerset Marryat ( b 1844 ) and Frederick Marryat ( b 1851 ), and one daughter Ida Horatia Charlotte Marryat ( 1843 – 1910 ) who married 19 September ( not November ) 1863 ( div 1889 ' Count Gustavus Frederick Bonde ( 1842 – 1909 ), a Swedish nobleman, with issue two sons and one daughter ( or three sons and two daughters.

Erik Gustaf Bernhard Boström ( 11 February 1842 – 21 February 1907 ) was a Swedish landowner and politician who was a member of the Swedish Parliament ( 1876 – 1907 ) and the longest-serving Prime Minister of Sweden of the 19th century.

It was charted in October 1903 by the Swedish Antarctic Expedition under Otto Nordenskiöld, who named it for Sir James Clark Ross, the leader of a British expedition to this area in 1842 that discovered and roughly charted a number of points along the eastern side of the island.

Magnus Gustaf Retzius ( 17 October 1842 – 21 July 1919 ) was a Swedish physician and anatomist who dedicated a large part of his life to researching the histology of the sense organs and nervous system.

In the event, the published book displayed an extraordinary assembly of illustrations-almost in the manner of a Victorian family album-with engravings of the Darwin family's domestic pets, portraits by the faintly disreputable Swedish photographer Oscar Rejlander ( 1813 – 1875 ) (" of Victoria Street, London "), anatomical diagrams by Sir Charles Bell ( 1774 – 1842 ) and Friedrich Henle ( 1809 – 1885 ) and illustrational quotations from the Mécanisme de la Physionomie Humaine-Analyse Electro-Physiologique de L ' Expression des Passions ( 1862 ) by the eminent French neurologist Guillaume-Benjamin Amand Duchenne de Boulogne ( 1806 – 1875 ).

Helge Palmcrantz ( 1842 – 1880 ), Swedish inventor and industrialist, was born in Hammerdal, in the province of Jämtland, the son of a captain in the Jämtlands fältjägarregemente.

In 1842 he was made a member of the Swedish Academy, and in 1849 he was made bishop of Västerås, his next literary work being an archaeological study on the beautiful ancient cathedral of his diocese.

On June 7, 1842, Fisher and Miller received a colonization land grant to settle 1, 000 immigrant families of German, Dutch, Swiss, Danish, Swedish, and Norwegian ancestry.

* 1923 – Sir James Dewar, Scottish chemist ( b. 1842 )

* March 27 – Sir James Dewar, Scottish chemist ( b. 1842 )

Sir James Dewar FRS ( 20 September 1842 – 27 March 1923 ) was a Scottish chemist and physicist.

* Ellen Swallow Richards ( 1842 – 1911 ), chemist, first woman admitted to MIT

* Charles Benjamin Dudley ( 1842 – 1909 ), American chemist

He became acquainted with the surgeon Anthony Carlisle ( 1768 – 1842 ) and the London chemist William Nicholson ( 1753 – 1815 ).

January 22 )-Nikolai Menshutkin ( born 1842 ), chemist.

* March 27-James Dewar ( born 1842 ), chemist.

* March 22-Pierre Joseph Pelletier, French chemist ( died 1842 )

* Adolf Pinner ( 1842 – 1909 ), German chemist

* Cornelius O ’ Sullivan, the ‘ founder of the science of bio-chemistry ’, was born in Bandon in 1842 and in 1866 he was appointed assistant brewer and chemist to Bass & Co.

Ellen Henrietta Swallow Richards ( December 3, 1842 – March 30, 1911 ) was the foremost female industrial and environmental chemist in the United States in the 19th century, pioneering the field of home economics.

* Sir William A. Tilden ( 1842 – 1926 ), British chemist

* Ellen Swallow Richards ( 1842 – 1911 ), American chemist, née Ellen Swallow

Albert Ladenburg ( born July 2, 1842 in Mannheim ; died August 15, 1911 in Breslau ) was a German chemist.

Great-granddaughter Henriette Charlotte Harms ( 1842 – 1928 ) married the senator of Lübeck Johann Fehling ( 1835 – 1893 ), nephew of the chemist Hermann von Fehling.

Pierre-Joseph Pelletier ( 22 March 1788 – 19 July 1842 ) was a French chemist who did notable research on vegetable alkaloids, and was the co-discoverer of quinine and strychnine.

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.

* 1842 – John Strutt, 3rd Baron Rayleigh, English physicist, Nobel laureate ( d. 1919 )

* June 30 – John Strutt, 3rd Baron Rayleigh, English physicist, Nobel Prize laureate ( b. 1842 )

* John Egerton-Cust, 2nd Earl Brownlow ( 1842 – 1867 ) Grandson of John, 2nd Baron Brownlow.

The family produced a number of notable figures, including Thomas Parnell ( 1679 – 1718 ), the Irish poet and Henry Parnell, 1st Baron Congleton ( 1776 – 1842 ) the Irish politician.

Stenbock's great-grandfather was Baron Friedrich von Stuart ( 1761 – 1842 ) from Courland.

The case was finally disposed of by U. S. Secretary of State Daniel Webster and Alexander Baring, 1st Baron Ashburton, in the course of their negotiations leading to the Webster – Ashburton Treaty of 1842.

Daniel Webster and Alexander Baring, 1st Baron Ashburton, reached a compromise the Webster-Ashburton Treaty of Washington in 1842, which settled the Maine-Canada boundary and the boundary between Canada and New Hampshire, Michigan and Minnesota.

* June 30-John William Strutt, 3rd Baron Rayleigh ( born 1842 ), Nobel Prize-winning physicist.

" Lady receiving a letter " by Ludolph de Jongh ( 1616 – 1679 ), bought by Baron Lionel de Rothschild in 1842.

* Charles Lyttelton, 5th Baron Lyttelton ( 1842 – 1922 ) ( succeeded as Viscount Cobham in 1889 )

* Henry Weysford Charles Plantagenet Rawdon-Hastings, 4th Marquess of Hastings, 17th Baron Hastings ( 1842 – 1868 ) ( abeyant )

Sir Brook William Bridge's eldest son Sir Brook William Bridges, 5th Baronet, of Goodneston, had unsuccessfully claimed the barony in 1842, but was instead created Baron FitzWalter, of Woodham Walter in the County of Essex, in 1868 ( for more information on this creation, which became extinct in 1875, see Bridges baronets of Goodneston ).

* Henry Francis Roper-Curzon, 14th Baron Teynham ( 1767 – 1842 )

* Henry Roper-Curzon, 15th Baron Teynham ( 1789 – 1842 )

* William Henry Vane, 3rd Earl of Darlington, 5th Baron Barnard ( 1766 – 1842 ) ( created Duke of Cleveland in 1833 )

* William Henry Vane, 1st Duke of Cleveland, 5th Baron Barnard ( 1766 – 1842 )

* William Wellesley-Pole, 1st Baron Maryborough ( 1763 – 1845 ) ( succeeded as Earl of Mornington in 1842 )

* Thomas Manners-Sutton, 1st Baron Manners ( 1756 – 1842 )

It was created in 1842 for the soldier Rowland Hill, 1st Baron Hill, with remainder to the heirs male of his elder brother John Hill.

He had already been created a baronet, of Synone and Drangan, in the Baronetage of the United Kingdom, on 23 December 1842, and Baron Gough, of ChingKangFoo in China and of Maharajpore and the Sutlej in the East Indies, in 1849, also in the Peerage of the United Kingdom.

Sir Edward Pierson Thesiger ( 1842 – 1928 ), fourth son of the first Baron, was Clerk-Assistant to Parliament from 1890 to 1917.

* George Rodney, 3rd Baron Rodney ( 1782 – 1842 )

* Matthew Aylmer, 8th Baron Aylmer ( 1842 – 1923 ) married Amy Gertrude, daughter of Hon.