The word transition was first used to describe the elements now known as the d-block by the English chemist Charles Bury in 1921, who referred to a transition series of elements during the change of an inner layer of electrons ( for example n = 3 in the 4th row of the periodic table ) from a stable group of 8 to one of 18, or from 18 to 32.

There is a stone monument with a bronze plaque at the Hürtgen military cemetery dedicated by veterans of the U. S. 4th Infantry Division to the memory of Friedrich Lengfeld ( 29 September 1921 – 12 November 1944 ), a German lieutenant.

On graduation in August 1921, he was posted to the 4th Engineers, stationed at Camp Lewis, Washington.

He served as a delegate for France with the League of Nations and participated in the 1st ( 15 November-18 December 1920 ), 2nd ( 5 September-5 October 1921 ), 3rd ( 4 September-30 September, 1922 ) and 4th Assemblies ( 3 September-29 September 1923 ).

* John Russell, 4th Earl Russell ( 1921 – 1987 ), eldest son of Bertrand Russell

* Lady Jane Louisa Octavia Grosvenor ( 29 August 1834-13 July 1921 ); m. firstly, Gamel Pennington, 4th Baron Muncaster ; m. secondly, Hugh Lindsay.

In 1921, the 4th Division name was reactivated as an Citizens Military Forces ( militia / reserve ) formation.

Meanwhile, at the end of World War 1, Ashworth emerged as manager of Liverpool, guiding them to the League Championship in 1921 – 22, after they had finished 4th in his previous two seasons.

The 3rd and 4th ( Special Reserve ) Battalions were placed in " suspended animation " in 1921, eventually being disbanded in 1953.

* John Conrad Russell, 4th Earl Russell ( 1921 – 1987 )

* William George Robert Craven, 4th Earl of Craven ( 1868 – 1921 )

* 12 October – Georges Carpentier wins the World Light Heavyweight Championship after he knocks out Battling Levinsky in the 4th round at Jersey City, his victory setting up the first " million dollar gate " when he fights Jack Dempsey in 1921.

* Geoffrey Denis Erskine Russell, 4th Baron Ampthill ( 1921 – 2011 )

John Conrad Russell, 4th Earl Russell ( 16 November 1921 – 16 December 1987 ) was the eldest son of the philosopher and mathematician Bertrand Russell ( the 3rd Earl ) and his second wife, Dora Black.

Mohammad Mohammadullah ( Bengali ম ো হ া ম ্ মদ ম ু হম ্ মদ ু ল ্ ল া হ October 21, 1921 – November 12, 1999 ) was the 4th President of the People ’ s Republic of Bangladesh.

The current 4th edition was revised in 1921 ; this version was not translated into English until 1979.

He was re-elected as TD for Galway in 1921 general election and having sided with the anti-treaty forces following the Anglo-Irish Treaty, he did not take his seat in either the 3rd Dáil or the 4th Dáil.

4th edition, revised: Berlin and Vienna, Urban & Schwarzenberg, 1920 – 1921.

Increasingly radical after the success of the October Revolution, he was one of the original members of the PCR ( known as PCdR at the time ) in 1921, Pătrăşcanu and Elek Köblös were the only two representatives of the group to the 4th Comintern Congress in Moscow ( November-December 1922 ) who had been members of the Socialist Party.

Apart from the Victoria Cross and Distinguished Service Order, he also received the Russian Order of St. Anna, 3rd Class with Swords on 5 June 1917, French Legion of Honour on 23 May 1919, Japanese Order of the Rising Sun 4th Class in August 1921, 1914 / 15 Star ( MID ), British War Medal and Victory Medal.

In 1921 the TF was reformed as the Territorial Army ( TA ) and the two units were merged as the 4th / 5th ( TA ) Battalion.

* Irrationalzahlen, 1921, 4th edn.

Geoffrey Denis Erskine Russell, 4th Baron Ampthill, CBE, PC ( 15 October 1921 – 23 April 2011 ) was a British hereditary peer and businessman, whose paternity and succession to the peerage were famously disputed in the " Ampthill baby case ".

On his return to Japan, Hata was given command of the IJA 16th Field Artillery Regiment in July 1921, and was promoted to major general and commander of the IJA 4th Heavy Field Artillery Brigade in March 1926.

The club entered the Football League in 1921 with the formation of the old Third Division ( North ); after haunting the lower reaches of English football for forty years, they eventually resigned from the League in 1962, due to financial problems, and folded in 1965.

More than a year later, on 3 August 1921, Hitler redefined the group as the " Gymnastic and Sports Division " of the party ( Turn-und Sportabteilung ), perhaps to avoid trouble with the government.

That gained them entry to the Football League Third Division South in time for 1921 – 22.

He served in the Western Recruiting Division at San Francisco until January 1921, when he was transferred to the Marine Barracks at Puget Sound, Washington.

The 1921 – 22 season ended in triumph with promotion and marked the beginning of a 31-year stay in Division 2.

** 8 – 0 against Northampton Town, 24 December 1921 ( Football League Third Division South )

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.

* Constituted 29 April 1921 in the Regular Army as Headquarters, Philippine Division.

In April 1921, it became a Philippine Scout unit and joined the Philippine Division, on 22 October.

From 1921 to 1925 he was a staff officer in the headquarters of the 44th Division.

* Ayrshire First Division winners: 1921 – 22, 1928 – 29, 1932 – 33, 1948 – 49, 1950 – 51, 1954 – 55, 1956 – 57, 1957 – 58, 1960 – 61, 1969 – 70, 1970 – 71, 1988 – 89, 1993 – 94

In March 1921 he was made commander of the IRA's 2nd Northern Division.

Churchill proposed a force of 8, 000 old soldiers be raised to reinforce the RIC, but Wilson thought this force of “ scallywags ” ( the Auxiliary Division as it became, whose numbers peaked at 1, 500 in July 1921 ) would be ill-trained, poorly led and split up into small groups across Ireland, fears which proved wholly justified.

After the Great War, the demobbed United players formed a new club ( Caernarvon Athletic ) which, until 1921, played in the North Wales Coast League and thereafter the Welsh National League Division Two ( West ), with mixed fortune.

During the Irish War of Independence ( 1919 – 1921 ), Macroom was the base in Cork for the British Auxiliary Division.

Abbott served on several committees and organizations for advancing the societal cause of the child welfare, including the Immigrants ' Protective League ( 1908-1917 ), Child Labor Division of the U. S. Children's Bureau ( 1921 to 1934 ), and was also a member of the Women's Trade Union League.

In 1921 Stalybridge Celtic became a founder member of the Football League's Third Division North.

The club rejoined the Central League for the 1919 – 1920 season and in 1921 became one of the founder members of the Football League's Third Division North.

In 1921 Wrexham were elected to the newly formed Third Division North of the Football League.

On 1 May 1921 the 3rd Division was re-raised in Victoria as part of the 3rd Military District.

* 1921 – 22: Finish 21st out of 22 ; relegated to Scottish Football League Second Division

The 3rd Brigade demobilized on 15 July 1919 and reconstituted on 10 August 1921, within the newly-constituted 1st Cavalry Division.