The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit ; forty years later, by 1890, about 2, 500 arithmometers had been sold plus a few hundreds more from two arithmometer clone makers ( Burkhardt, Germany, 1878 and Layton, UK, 1883 ) and Felt and Tarrant, the only other competitor in true commercial production, had sold 100 comptometers.

Faroese became a standardised written language in 1890.

For example, the speed of communication reserved for the stock brokers of 1890 became part of family life, at least in North America.

" Quakers " continued to be used interchangeably with " Phillies " from 1884 until 1890, when the team officially became known as the " Phillies ".

The Heligoland-Zanzibar Treaty of 1890 made Zanzibar and Pemba a British protectorate, and the Caprivi Strip in Namibia became a German protectorate.

Britain established a protectorate ( 1890 ) that became an independent sultanate in December 1963 and a republic after an uprising in January 1964.

The deposed duke Adolph of Nassau in 1890 became the Grand Duke of Luxembourg ( see House of Nassau ).

The term ' social capital ' was in occasional use from about 1890, but only became widely used in the late 1990s.

Originally considered a secondary branch route to Grand Junction, the entire route from Leadville to Grand Junction was upgraded to standard gauge in 1890, and the original narrow gauge route via Marshall Pass became a secondary route.

Victor Lustig ( January 4, 1890 – March 11, 1947 ) was a con artist who undertook scams in various countries and became best known as " The man who sold the Eiffel Tower.

The count filed a futile suit to establish that his morganatic status in Germany should not exclude him from succession to the throne of Luxembourg after the last male of the House of Orange, King William III of the Netherlands, died in 1890 and it became apparent that the House of Nassau faced the imminent extinction of its male members, as well, upon the eventual death of Grand Duke William IV.

After a brief de facto protectorate period beginning in 1885 the island became a full formal French protectorate in 1890, then a colony in 1896, and gained full independence from France in 1960 in the wake of decolonization.

She later became president of the National Union of Women's Suffrage Societies ( the NUWSS ), a position she held from 1890 until 1919.

The Tariff Act of 1890, commonly called the McKinley Tariff, was an act of the United States Congress framed by Representative William McKinley that became law on October 1, 1890.

A region, the Caprivi Strip, became a part of German South West Africa after the Heligoland-Zanzibar Treaty on 1 July 1890, between the United Kingdom and Germany.

His son, a third Pierce Egan, then became editor until his death in 1890.

Since 1850 the number of known variable stars has increased rapidly, especially after 1890 when it became possible to identify variable stars by means of photography.

He became house physician at St Bartholomew's in 1889 and remained there until 1890.

The descendants of Walram became known as the Walram Line, which became Dukes of Nassau, and in 1890, the Grand Dukes of Luxembourg.

In 1890, he met Charles Lang Freer, who became a valuable patron in America, and ultimately, his most important collector.

It began operation in 1890 and was electrified and became unmanned in 1938.

The team became the football section of West Hertfordshire Sports Club in 1890, and consequently moved to a ground on Cassio Road.

His fourth son Sir Cyril, Baron Asquith of Bishopstone ( 1890 – 1954 ) became a Law Lord.

Clarence Brown ( May 10, 1890 – August 17, 1987 ) was an American film director.

* 1890 – Fritz Lang, Austrian-born film director ( d. 1976 )

* 1890 – Henri Decoin, French film director and screenwriter ( d. 1969 )

* July 26 – William A. Seiter, American film director ( b. 1890 )

* October 15 – Elmer Clifton, American actor and director ( b. 1890 )

** Clarence Brown, American film director ( b. 1890 )

** Lottie Lyell, Australian female pioneer film director and producer ( b. 1890 )

Marcus Cook Connelly ( 13 December 1890 – 21 December 1980 ) was an American playwright, director, producer, performer, and lyricist.

In 1891 he branched out into railroad car manufacture, naming the company Nesselsdorfer Wagenbau-Fabriksgesellschaft, and employed Hugo Fischer von Roeslerstamm as technical director in 1890.

In 1890, Binet resigned from La Salpêtrière and never mentioned the place or its director again.

Paul Samuel Whiteman ( March 28, 1890 – December 29, 1967 ) was an American bandleader and orchestral director.

Horace M. Albright the second director of the National Park Service was born in Bishop in 1890.

* Victor Schertzinger ( 1890 – 1941 ), Academy Award winning composer, film director, film producer and screenwriter.

* Grim Natwick, animator and film director ( 1890 – 1990 )

* Solomon Mikhoels ( 1890 – 1948 ), actor and director

He also worked in many areas of electromagnetism and electrostatics, and in 1890 was appointed professor of electrical engineering at King's College London, where he was also director of the Siemens Laboratory.

After the success of The Sleeping Beauty in 1890, Ivan Vsevolozhsky, the director of the Imperial Theatres, commissioned Tchaikovsky to compose a double-bill program featuring both an opera and a ballet.

* The fauna of the Lower Cambrian or Olenellus zone, ( 1890 ) Extract from the 10th annual report of the director of the U. S. Geological Survey, 1888 – 89, pt.

* The North American continent during Cambrian time, ( 1892 ) Extract from the 12th annual report of the director of the U. S. Geological survey, 1890 – 91, pt.

She became the first female director of a national bank in the United States, at the Aurora National Bank in Aurora, New York in 1890, where she served up to her death, at age 101.

Max Burckhard, a lawyer, became director of the theatre on May 12, 1890.

It is situated in the Place Marcel Sembat, named after the journalist Marcel Sembat ( 1862 – 1922 ) who was a director of the socialist review the Petite République from 1890 to 1897 and husband of the painter Georgette Agutte from 1897 until their deaths in 1922.

Returning to Iowa from Washington for the second time, Wilson rejoined the faculty at Iowa State, where he would serve as Professor ( now Dean ) of Agriculture and director of the agricultural experiment station from 1890 to 1897.

In 1890, under its director Franklin Hooper, Institute leaders reorganized as the Brooklyn Institute of Arts and Sciences and began planning the Brooklyn Museum.

In 1890, Struve was appointed as the senior astronomer at Pulkovo with the clear understanding that he should become director after completing his Saturn work.