The idea of covalent bonding can be traced several years before 1919 to Gilbert N. Lewis, who in 1916 described the sharing of electron pairs between atoms.

* November 1 – The Coal Strike of 1919 begins in the United States by the United Mine Workers under John L. Lewis.

He was on the editorial board, with Conrad Aiken, Eliot, Lewis and Aldous Huxley, of Chaman Lall's London literary quarterly Coterie published 1919 – 1921.

Du Bois: Biography of a Race, 1868 – 1919 by David Levering Lewis

Du Bois: The Fight for Equality and The American Century, 1919 – 1963 by David Levering Lewis

By 1919, Lewis was leading his own band, and had a recording contract with Columbia Records, which marketed him as their answer to the Original Dixieland Jass Band who recorded for Victor records.

Lewis's clarinet playing barely evolved beyond his style of 1919 which in later years would sound increasingly corny, but Lewis certainly knew what good clarinet playing sounded like, for he hired musicians like Benny Goodman, Jimmy Dorsey, and Don Murray to play clarinet in his band.

It was seen as part of the trend toward increasingly critical depictions of rural America, along the lines of Sherwood Anderson's 1919 Winesburg, Ohio, Sinclair Lewis ' 1920 Main Street, and Carl Van Vechten's The Tattooed Countess in literature.

Warren Lewis served in such postings as Belgium ( 1919 ), Aldershot ( November 1919 ), Sierra Leone ( 9 March 1921 to 23 March 1922 ), Colchester ( 4 October 1922 to December 1925 ), Woolwich ( January 1925 until April 1927 ), and China ( two tours of duty, the first beginning on 11 April 1927 in Kowloon, South China, then later in Shanghai, and ending in April 1930 ; the second beginning on 9 October 1931 and ending on 14 December 1932 ).

* 1919 – 20 Lewis Richard Farnell Greek Hero Cults and Ideas of Immortality

It was renamed the Flight Propulsion Research Laboratory in 1947, the Lewis Flight Propulsion Laboratory in 1948 ( after George W. Lewis ( head of NACA from 1919 to 1947 ) and the NASA Lewis Research Center in 1958.

* Lewis & Co, a firm of organ builders in Brixton, London from 1860 to 1919

The United Mine Workers under John L. Lewis called a strike for November 1, 1919 in all soft ( bituminous ) coal fields.

Lewis Fry Richardson was the youngest of seven children born to Catherine Fry ( 1838 – 1919 ) and David Richardson ( 1835 – 1913 ).

* Ted " Kid " Lewis regains the World Welterweight Championship and holds it until 1919.

From 1900 to 1950, Sinclair Lewis ( 1885 – 1951 ), William Faulkner ( 1897 – 1962 ), Henry Miller ( 1891 – 1980 ), Ernest Hemingway ( 1899 – 1961 ), John Steinbeck ( 1902 – 1968 ), Richard Wright ( 1908 – 1960 ), William Saroyan ( 1908 – 1981 ), Nelson Algren ( 1909 – 1981 ), Paul Bowles ( 1910 – 1999 ), Jerome Salinger ( 1919 – 2009 ), Norman Mailer ( 1923 – 2007 ), and Gore Vidal ( 1925 – 2012 ).

By 1919, Powel and Lewis Crosley had sold more than a million dollars in parts and were diversifying into other consumer products such as phonograph cabinets.

George Edward " Duffy " Lewis ( April 18, 1888 – June 17, 1979 ), born in San Francisco, California, was a left fielder and right-handed batter who played Major League Baseball for the Boston Red Sox ( 1910 – 17 ), New York Yankees ( 1919 – 20 ) and Washington Senators ( 1921 ).

Spirits in Bondage ( 1919 ) was C. S. Lewis's first published work ( originally published under the pseudonym Clive Hamilton, which is Lewis ' first name followed by his mother's maiden name ).

William Lewis Guy ( born September 30, 1919 ) was the governor of the U. S. state of North Dakota from 1961 to 1973.

But his investment floundered in 1919 when servicemen demobilised from World War I and promised land, started occupying plots on the Isle of Lewis.

Ruth originally entered the major leagues with the Boston Red Sox as a starting pitcher, but after he was sold to the New York Yankees in 1919, he converted to a full-time right fielder.

The mandate system was established under Article 22 of the Covenant of the League of Nations, entered into on 28 June 1919.

She entered graduate studies at Columbia University in 1919, studying under Franz Boas, receiving her Ph. D and joining the faculty in 1923.

So in 1919 he entered the Ph. D. program at the University of Chicago.

In 1919, Ulam entered Lwów Gymnasium Nr.

He first entered the war zone on 26 June 1917, and was promoted to temporary lieutenant on 10 June 1918, and to acting captain on 22 March 1918, when he took command of a tank section, he retained the rank when he became second-in-command of a tank company on 19 October 1918, and relinquished it on 7 January 1919.

Bolshevik forces entered the city in 1919.

Messiaen entered the Paris Conservatoire in 1919, aged 11.

In 1919 the family returned to Santiago and Eduardo, as a young man, entered the boarding School Seminario Conciliar de Santiago where he remained until 1922.

Stopes was now pregnant and a month overdue she entered a nursing home on 16 July 1919.

Sarit Thanarat was educated at a monastery school, and entered the Royal Thai Military Academy in 1919, not completing his military studies until 1928, after which he was commissioned as a Second Lieutenant, slowly rising through the Officer Corps.

As America entered the World War in 1917, Niebuhr was the unknown pastor of a small German-speaking congregation in Detroit ( it stopped using German in 1919 ).

He studied architecture in England in 1919 and entered Columbia University's school of architecture in 1920.

In 1919 the Towmotor Company and Yale & Towne Manufacturing in 1920 entered the lift truck market in the United States.

Lin entered primary school in 1917, but moved to Shanghai in 1919 to continue his education.

The Selbstschutz was initially successful in protecting their communities against Makhno's partisans but was overwhelmed once the anarchists aligned themselves with the Red Army, which had entered Ukraine in February 1919.

The territory was entered by the Czech military on 23 January 1919, after negotiations with Poland broke down.

Although she is said to have emigrated to the United States in 1924, the 1930 U. S. Census reports her as having entered this country in 1919 ; in any case, she settled in New York City.

In reality the New York Railways Company had entered receivership in 1919, 6 years before it was bought by the New York Railways Corporation with funding from GM and others.

Bridgman entered Harvard University in 1900, and studied physics through to his Ph. D .. From 1910 until his retirement, he taught at Harvard, becoming a full professor in 1919.

Liu Shipei ( 劉師培 ; 1884 – 1919 ) claimed that the 1900 international expedition sent by eight foreign powers to suppress the Boxer Uprising entered Beijing in the 4611th year of the Yellow Emperor.

A lawyer by profession, Quirino entered politics when he became a representative of Ilocos Sur from 1919 to 1925.

The Duchy of Saxe-Coburg-Gotha split into two halves ; Coburg voluntarily united itself with Bavaria, and Gotha later in the year 1919 entered into negotiations with a number of the other small states of central Germany to bring about a general union of the little republics concerned.

On 25 March 1919, Petković and her friend, Marija Telenta, entered the convent of the Servants of Charity.