( Rossum's Universal Robots ) ( 1921 ) – the play that introduced the word robot to the world – were organic artificial humans, the word " robot " has come to primarily refer to mechanical humans, animals, and other beings.

* 1921 – Robert Cliche, Canadian politician and magistrate ( d. 1978 )

* 1921 – Black Friday: mine owners announce more wage and price cuts, leading to the threat of a strike all across England.

* 1921 – Tove Maës, Danish actress ( d. 2011 )

* 1921 – The British install the son of Sharif Hussein bin Ali ( leader of the Arab Revolt of 1916 against the Ottoman Empire ) as King Faisal I of Iraq.

* 1921 – Georg Alexander, Duke of Mecklenburg ( d. 1996 )

* 1921 – Leo Penn, American director ( d. 1998 )

* 1921 – Ernest Angley, American evangelist and broadcaster

* 1921 – J. James Exon, American politician ( d. 2005 )

They won the first eight matches in succession including a 5 – 0 whitewash in 1920 – 1921 at the hands of Warwick Armstrong's team.

* 2008 – Jake Warren, Canadian diplomat ( b. 1921 )

* 2012 – N. K. P. Salve, Indian politician ( b. 1921 )

The most important Canadian theorist was an American immigrant, Henry Wise Wood, president of the United Farmers of Alberta ( UFA ) during that movement's time as the governing party of the province ( 1921 – 1935 ).

* 1921 – Jack Kramer, American tennis player ( d. 2009 )

* 1921 – Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.

* 1921 – Marilyn Maxwell, American actress ( d. 1972 )

* 1921 – Richard Adler, American songwriter and composer ( d. 2012 )

* 1921 – Hayden Carruth, American poet and critic ( d. 2008 )

* 1999 – Byron Farwell, American historian ( b. 1921 )

The second generation was led by Fernand Braudel ( 1902 – 1985 ) and included Georges Duby ( 1919 – 1996 ), Pierre Goubert ( 1915 – 2012 ), Robert Mandrou ( 1921 – 1984 ), Pierre Chaunu ( 1923 – 2009 ), Jacques Le Goff ( 1924 – ) and Ernest Labrousse ( 1895 – 1988 ).

" Eugenics is the self-direction of human evolution ": Logo from the Second International Eugenics Conference, 1921, depicting Eugenics as a tree which unites a variety of different fields.

What followed was the Second Republic's short ( 1921 – 1926 ) and turbulent period of constitutional order and parliamentary democracy.

They played their first-ever County Championship match there in 1921, competing there every season ( except while first-class cricket was suspended during the Second World War ), their last match being against Somerset County Cricket Club in August 1966.

* 1921 – The Second Republic of Poland adopts the March Constitution.

In December 1938, Maguire was one of a group of seven people, who had been elected to the Second Dáil in 1921, who met with the IRA Army Council under Seán Russell.

Maguire was the last survivor, not only of the rump legitimist Second Dáil of 1938, but of all those who served in the Second Dáil in 1921 – 22.

For a short period between 1918 and 1921 Tychy was just inside the border of the newly formed Weimar Republic and still a part of the German Province of Silesia, only securing its place within the Second Polish Republic after the armed Silesian Uprisings ( 1919 to 1921 ).

After the defeat of Imperial Germany in World War I, a plebiscite was held on 20 March 1921 in Oppeln to determine if the city would be in the Weimar Republic or become part of the Second Polish Republic.

In 1920, Vincent d ' Indy published a study of Dukas's music ; Debussy remained a lifelong friend, though feeling that Dukas's music was not French enough ; Saint-Saëns worked with Dukas to complete an unfinished opera by Guiraud, and they were both engaged in the rediscovery and editing of the works of Jean-Philippe Rameau ; Fauré dedicated his Second Piano Quintet to Dukas in 1921.

In 1921 he entered Sandhurst and in 1923 was commissioned a Second Lieutenant in the Royal Scots.

From 1921 – 22, the third tier of The Football League consisted of two parallel sections of 22 clubs, fighting both for promotion to the Second Division and also battling to hold on to their league status.

He served in the First Dáil ( 1918 – 1921 ), and was re-elected to the Second Dáil in 1921 as a Teachta Dála ( TD ) for Kildare – Wicklow.

After the election of the Second Dáil in 1921 de Valera resigned on 26 August and was immediately re-elected, under the new title of President of the Republic.

All 128 MPs elected to the House of Commons of Southern Ireland in 1921 were returned unopposed, and 124 of them, representing Sinn Féin, declared themselves TDs ( Irish for Dáil Deputies ) and assembled as the Second Dáil of the Irish Republic.

The first general election to the House of Commons of Southern Ireland in 1921 was used by Sinn Féin to produce a new Dáil: the Second Dáil.

The Second Dáil was Dáil Éireann as it convened from 16 August 1921 until 8 June 1922.

The Second Dáil consisted of members elected in 1921.

Despite its republican ethos, the Second Dáil responded favourably to George V's proposals on 22 June for a Truce, which became effective from noon on 11 July 1921.

In August 1921, in order to strengthen his side's hand the in negotiations, he had the Second Dáil amend the Republic's brief Dáil Constitution to grant him the title President of the Republic, and thereby became head of state.

In December 1938, a group of seven people, who had been elected to the Second Dáil in 1921, met with the IRA Army Council under Seán Russell.

After elections in 1921 the First Dáil was succeeded by the Second Dáil of 1921 – 1922.