This was not successful, but in 1916 work was started the Bristol F. 2A, which was developed into the highly successful F. 2B Bristol Fighter, one of the outstanding aircraft of the 1914-18 war and a mainstay of the R. A. F during the 1920s: it remained in service until 1931.

Following Germany's military reforms of the 1920s, Heinz Guderian emerged as a strong proponent of mechanised forces.

Some historians credit Sennett's films with having been responsible for municipal police forces across North America altering their uniforms to include military style officers ' caps since by the 1920s tall, British-style hats had become so indelibly associated with slapstick comedy.

Congress in the 1920s appealed to peasants by portraying Gandhi as a sort of messiah ( the long-awaited savior of an entire people ), a strategy that succeeded in incorporating radical forces within the peasantry into the nonviolent resistance movement.

In the late 1920s, the new quantum mechanics showed that the chemical bonds between atoms were examples of ( quantum ) electrical forces, justifying Dirac's boast that " the underlying physical laws necessary for the mathematical theory of a large part of physics and the whole of chemistry are thus completely known ".

Occupation of the Ruhr in the 1920s by French forces caused passive resistance, which saw production in the factories grind to a halt.

In the 1920s, Graziani commanded the Italian forces in Libya.

During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during World War I, concluded that there was a need for greater co-ordination between the three Services that made up the armed forces of the United Kingdom — the British Army, the Royal Navy, and the Royal Air Force.

During the 1920s, he supported the king's policy to build up the nascent state's armed forces, based on the loyalty of Sharifian officers, the former Ottoman soldiers who formed the backbone of the regime.

By the mid 1920s, the impetus had gone out of the revolutionary forces in Europe and the national reformist socialist parties had regained their dominance over the working-class movement in most countries.

In relation to actions which may well in point of fact be historically connected with the world wars even if this happens, for whatever reason, not to be a matter of general discussion ( e. g. occupation by Western forces in the 1920s of Palestine and other areas being the homelands of Arabs in the Near East and followed eighty years later in 2001 by the ' 9 / 11 ' raid on New York and elsewhere in the United States ) similar historically and architecturally significant memorials are also designed and constructed ( vide National September 11 Memorial ).

Following a global trend, Argentine armed forces have outlawed beards since the 1920s.

Prior to the 2005 restructure, the reserve forces of the Irish Army were known as the Fórsa Cosanta Áitiúil ( Local Defence Force ), which in turn has its origins in the Units formed in 1920s.

It can be read simultaneously as an unusual, charming love story, a description of the political and social forces at work in 1920s Brazil, a somewhat satirical depiction of Latin American aspirations to " modernity ", and a celebration of the local culture and pleasures of Bahia.

The Italian control over much of the interior of Libya remained ineffective until the late 1920s, when forces under the Generals Pietro Badoglio and Rodolfo Graziani waged bloody pacification campaigns.

In the 1920s, when Britain held a mandate from the League of Nations ( predecessor of the United Nations ), British occupational forces, under the command of Arthur Harris, used mustard gas and delayed action bombing to suppress Iraqi resistance to British rule, leading to numerous civilian casualties.

Many paramilitary forces had been formed during the early 1920s: Two of them were the right-wing Frontkämpfervereinigung and the left-wing Republikanischer Schutzbund.

This was not a sentiment unique to physics or physicists — this blend of nationalism and perceived affront from foreign and internal forces formed a key part of the popularity of the newly forming National Socialist Party ( Nazis ) in the late 1920s.

Although founded as a car maker, they were major suppliers of vehicles to British forces during the First World War, and in the 1920s moved into bus manufacture.

The British forces settled in the northeastern buildings designed by the March brothers in the 1920s, which the Third Reich had used for official sport organisations such as the Reich Academy of Physical Training and extended by 1936, adding the " Haus des deutschen Sports " ( House of German Sports ) and other buildings.

Literally meaning " those who face death " ( Pesh front + marg death ) the Peshmerga forces of Kurdistan have been in existence since the advent of the Kurdish independence movement in the early 1920s, following the collapse of the Ottoman and Qajar empires which had jointly ruled over the area.

Yet, in his final volume of Main Currents he concluded that the Jeffersonian farmer, the Progressives ' traditional democratic hero, had joined forces with the greedy business community to produce a destructive form of capitalism which culminated in the 1920s.

His removal from his presidential post at National Southeastern University in 1925 was a result of the intrusion of political forces into higher education and academia during the turbulent decade of the 1920s in China.

In the early 1920s, the patrol found itself fighting the forces of deadly warlords and ruthless bandits.

All European states ( with the exception of Germany ), the USA, and Japan, would create their own experimental mechanised forces during the late 1920s, many using either French or British vehicle designs or even directly purchased vehicles, but largely borrowing from both to develop their own doctrines.

What they and many others of that generation in the Nordic countries had in common was that they started off from a classical education and were first designing in the so-called Nordic Classicism style – a style that had been a reaction to the previous dominant style of National Romanticism – before moving, in the late 1920s, towards Modernism.

They were transported to various previously fox-free Aleutian Islands during the 1920s.

In the late 1920s, the mathematicians Gabriel Sudan and Wilhelm Ackermann, students of David Hilbert, were studying the foundations of computation.

Here Vernon and Irene Castle were important, and so was a generation of English dancers in the 1920s, including Josephine Bradley and Victor Silvester.

This theory of Homer's influence on Beowulf remained very prevalent in the 1920s, but started to die out in the following decade when a handful of critics stated that the two works were merely “ comparative literature ” although Greek was known in contemporary England.

Various local legends were compiled by J. W. Burns in a series of Canadian newspaper articles in the 1920s.

By the late 1920s, New York writers other than Fitz Gerald were starting to use " Big Apple " and were using it outside of a horse-racing context.

The cosmological solutions of general relativity were found by Alexander Friedmann in the early 1920s.

By the 1920s, the emerging middle and working classes were powerful enough to elect a reformist president, Arturo Alessandri Palma.

By the 1920s, many newspapers had a comics page on which many strips were collected together.

Additional milieu were provided by Chaosium with the release of Dreamlands, a boxed supplement containing additional rules needed for playing within the Lovecraft Dreamlands, a large map and a scenario booklet, and Cthulhu By Gaslight, another boxed set which moved the action from the 1920s to the 1890s.

The 1920s were some of the most violent times in Cape Breton.

This later bore on a dispute during the 1920s, known as the Great Litigation in CS circles, pivoting on whether the CSBD could remove trustees of the Christian Science Publishing Society or whether the CSPS trustees were established independently.

Programmes of this sort were initially discussed at least as early as the 1920s and were implemented in many countries, but only became widespread in the USA after the threat of nuclear weapons was realised.

These theories were first applied in the 1920s by Chinese scholars such as Guo Moruo, and became orthodoxy in academic study after 1949.

Forbes, however, emphasizes that the precipitous decline did not occur until after the First World War during the 1920s when new railway policies were implemented.

By the late 1920s, Al Capone and the Mob were inspiring not only fear, but piquing mainstream curiosity about the American underworld.

Beginning in the 1920s, the Dartmouth College athletic teams were known by their unofficial nickname " the Indians ," a moniker that probably originated among sports journalists.

During the 1920s and 1930s destroyers were often deployed to areas of diplomatic tension or humanitarian disaster.

The early models were used commercially from the early 1920s, and adopted by military and government services of several countries — most notably by Nazi Germany before and during World War II .< ref >

Duddell didn't further develop his invention, but in 1902 Danish physicists Valdemar Poulsen and P. O. Pederson were able to increase the frequency produced into the radio range, inventing the Poulsen arc radio transmitter, the first continuous wave radio transmitter, which was used through the 1920s.

Despite the 1891 discovery by Eugène Dubois of what is now called Homo erectus at Trinil, Java, it was only in the 1920s when such fossils were discovered in Africa, that intermediate species began to accumulate.

In Great Britain's Royal Flying Corps and Royal Air Force these aircraft were referred to as " scouts " into the early 1920s.