Lincoln in his late 30s – photo taken by one of Lincoln's law students around 1846

* 1846 – The Second Federal Republic of Mexico is established.

* 1846 – Anna Haining Bates, Canadian giant ( d. 1888 )

* Haliotis alfredensis Reeve, 1846-the Alfred's abalone – synonym: Haliotis speciosa Reeve, 1846, the splendid abalone

* Haliotis coccoradiata Reeve, 1846 – the reddish-rayed abalone

* Haliotis discus Reeve, 1846 – the disk abalone

** Haliotis diversicolor squamata Reeve, 1846 – synonym: Haliotis squamata – the scaly Australian abalone

* Haliotis jacnensis Reeve, 1846 – the Jacna abalone

* Haliotis rubiginosa Reeve, 1846 – synonym: Haliotis howensis, the Lord Howe abalone

Alcott's opposition to slavery also fueled his opposition to the Mexican – American War which began in 1846.

* 1846 – Charles Woodruff, American archer ( d. 1927 )

* 1846 – Luis Martín, Spanish religious leader ( d. 1906 )

* 1846 – Alexander Milne Calder, American sculptor ( d. 1923 )

* 1846 – The Donner Party of pioneers departs Springfield, Illinois, for California, on what will become a year-long journey of hardship, cannibalism, and survival.

* John Pryor, 1846 – 1850

* 1846 – The Smithsonian Institution is chartered by the United States Congress after James Smithson donates $ 500, 000.

* 1904 – Pierre Waldeck-Rousseau, French politician, 68th Prime Minister of France ( b. 1846 )

He married fourthly at the Dolmabahçe Palace, Constantinople, on 21 September 1866 to Georgian HH Hayranidil Kadın Efendi ( Kars, 2 November 1846 – Ortaköy Palace, Constantinople, 26 November 1898 ), and had two children.

* 1846 – Thornton Affair: Open conflict begins over the disputed border of Texas, triggering the Mexican-American War.

* 1763 – Domenico Dragonetti, Italian double bass virtuoso and composer ( d. 1846 )

In 1899, the memorial, by the Berlin sculptor Ernst Gustav Herter ( 1846 – 1917 ), finally came to rest, although subject to repeated vandalism, in the Bronx, at 164th Street and the Grand Concourse, or Joyce Kilmer Park near today's Yankee Stadium.

Lord George Bentinck, Conservative leader in the commons 1846 – 48

* Pope Gregory XVI ( 1765 – 1846, r. 1831 – 46 )

Leonora ( 1846 ) by William Henry Fry, the first European-styled " grand " opera composed in the United States of America, is based on Bulwer-Lytton's play The Lady of Lyons, as is Frederic Cowen's first opera Pauline ( 1876 ).

They are extensions of the term folk lore, which was coined in 1846 by the English antiquarian William Thoms to describe " the traditions, customs, and superstitions of the uncultured classes.

The word " folklore " was first used by the English antiquarian William Thoms in a letter published in the London journal The Athenaeum in 1846.

Sir Charles FitzRoy ( Governor of New South Wales from 1846 – 1855 ) and Sir William Denison ( Governor of New South Wales from 1855 – 1861 ) also carried the additional title of Governor-General because their jurisdiction extended to other colonies in Australia.

* 1917 – William F. " Buffalo Bill " Cody, American frontiersman ( b. 1846 )

* Sir William Reid ( b. April 25, 1791, Kinglassie-d. October 31, 1858, London, England ), governor of Bermuda ( 1839 – 46 ), Barbados ( 1846 – 48 ), and Malta ( 1851 – 58 ); knighted 1851

A yew hedge maze designed and planted in 1846 by William Nesfield.

* 1846 – William TG Morton first demonstrated ether anesthesia at the Massachusetts General Hospital in the Ether Dome.

The word " tensor " itself was introduced in 1846 by William Rowan Hamilton to describe something different from what is now meant by a tensor.

William Clarke formed the All-England Eleven in 1846, and this was the first representative England side, which toured the country taking on local sides.

Although nitrous oxide, or laughing gas, had been proposed as an anaesthetic as far back as 1799 by Humphry Davy, it wasn't until 1846 when an American Dentist named William Morton started using ether on his patients that anaesthetics became common in the medical profession.

* January 10 – William F. " Buffalo Bill " Cody, American frontiersman ( b. 1846 )

* July 2 – William Louis Marshall, American general and engineer ( b. 1846 )

William E. Du Bois ’ Pledges of History ... ( 1846 ) describes the cabinet.

Triton is the largest moon of the planet Neptune, discovered on October 10, 1846, by English astronomer William Lassell.

The moon was discovered by British astronomer William Lassell on October 10, 1846, just 17 days after Neptune was discovered by German astronomers Johann Gottfried Galle and Heinrich Louis d ' Arrest, who were following coordinates given to them by French astronomer and mathematician Urbain Le Verrier.

Major General William Jenkins Worth ( 1794 – 1849 ) was second in command to General Zachary Taylor at the opening of the Mexican – American War in 1846.

He played the violin in the 1846 Birmingham festival, and in 1849 went to London as a private composition student under William Sterndale Bennett.

* General Sir William Henry Clinton ( 1769 – 1846 ), British general during the Napoleonic Wars

* 1846 – William Lassell discovers Triton

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

" — William H. Seward, 1846

Taylor was succeeded as County Clerk by his son William Henry Taylor, who held the office for another 32 years — from 1814 until 1846.

* William Robertson Smith ( 1846 – 1894 ), philologist, physicist, archaeologist, and Biblical critic