At the beginning of the 20th century, half of the population of Lower Brittany knew only Breton, the other half being bilingual.

At the turn of the 20th century, a conservative anti-imperialist movement, the Boxer Rebellion, violently revolted against foreign suppression over vast areas in Northern China.

At one point, almost every major city in the US had a velodrome or two for track racing events, however since the middle of the 20th century cycling has become a minority sport in the US whilst in Continental Europe it continues to be a major sport, particularly in the United Kingdom, France, Belgium, Italy and Spain.

At the beginning of the 20th century all armies still maintained substantial cavalry forces, although there was contention over whether their role should revert to that of mounted infantry ( the historic dragoon function ).

At the beginning of the 20th century, there was an explosion of innovation in dance style characterized by an exploration of freer technique.

At the University of Göttingen, Hilbert was surrounded by a social circle of some of the most important mathematicians of the 20th century, such as Emmy Noether and Alonzo Church.

At the culmination of the ensuing months-long legal dispute, he watched, as described by Sandford, " millions of dollars of his future earnings being surrendered " in what were " uniquely generous terms for Defries ", then " shut himself up in West 20th Street, where for a week his howls could be heard through the locked attic door.

At the University of Bologna, from its founding in the 12th century until the end of the 20th century, the only degree conferred was the doctorate, usually earned after five years of intensive study after secondary school.

At the beginning of the 20th century, Detroit's industrialization took off on an unprecedented scale.

At the beginning of the 20th century, the automotive industry boomed, and the many manufacturers shipped in abundant supplies of iron ore.

At the turn of the 20th century, moral theories became more complex and are no longer concerned solely with rightness and wrongness, but are interested in many different kinds of moral status.

At the turn of the 20th century, Otto Stolz, Paul du Bois-Reymond, Giuseppe Veronese, and others produced controversial work on non-Archimedean models of Euclidean geometry, in which the distance between two points may be infinite or infinitesimal, in the Newton – Leibniz sense.

At the turn of the 20th to 21st century, a whole new housing development called Meerhoven was constructed at the site of the old airport of Welschap, west of Eindhoven.

At the beginning of the 20th century, the new Pentecostal movement drew participants from the Holiness movement and other movements in America that already believed in divine healing.

At the close of the 20th Century, all of the Earth's kaiju have been collected and confined in an area known as Monster Island, by the United Nations Science Committee, in the Ogasawara island chain.

At the turn of the 20th century, man's increased reliance upon science was both opening new worlds and solidifying the manners by which he could understand them.

For most of the 20th century, the definitive editions ( specifically At the Mountains of Madness and Other Novels, Dagon and Other Macabre Tales, The Dunwich Horror and Others, and The Horror in the Museum and Other Revisions ) of his prose fiction were published by Arkham House, a publisher originally started with the intent of publishing the work of Lovecraft, but which has since published a considerable amount of other literature as well.

At the beginning of the 20th century, early theoretical discussions in the field of psychoanalysis posited original bisexuality in human psychological development.

At the beginning of the 20th century, cocaine began to be linked to crime.

At the turn of the 19th to 20th century, political machines attempted to gain clout in the city, with the one led by Tom Pendergast emerging as the dominant machine by 1925.

At the start of the 20th century, two power blocs emerged from alliances between the European Great Powers.

At the beginning of the 20th century, archaeologist Arthur Evans began excavating Knossos, an ancient city on the island of Crete.

At the beginning of the 20th century, it became custom to give a sprig of lily of the valley, a symbol of springtime, on May 1.

At the beginning of the 20th century, Merseburg was transformed into an industrial site, which is largely due to the pioneering work done by people like Carl Bosch and Friedrich Bergius, who laid down the scientific fundamentals of the catalytic high-pressure ammonia synthesis from 1909 to 1913.

At its 1864 convention, the Republican Party selected Andrew Johnson, a War Democrat from the Southern state of Tennessee, as his running mate.

At the 2 November 2004 election Eni F. H. Faleomavaega of the Democratic Party ( United States ) defeated the Republican candidate and was re-elected.

At a meeting of the Party in Munich in September 1919, the main speaker was Gottfried Feder.

At a meeting in August 2006 with members of the Rwanda Patriotic Front, Wu Guanzheng, of the Communist Party of China, confirmed the intention of the People's Republic of China to fund a study into the feasibility of constructing a railway connecting at Isaka with the existing Tanzanian railway network, and running via Kigali in Rwanda through to Burundi.

At the same time, the Communist Party of Kampuchea forces became stronger and more independent of their Vietnamese patrons.

At the time, he admired Ramsay MacDonald and helped MacDonald get elected as Labour Party leader at the 1922 Labour leadership election.

At the Labour Party conference at Southport in 1934, Attlee declared that " We have absolutely abandoned any idea of nationalist loyalty.

At its 1982 conference, the Labour Party adopted a policy of unilateral nuclear disarmament.

At the founding congress of the Russian Social Democratic Labour Party ( the predecessor of the Communist Party of the Soviet Union ) Vladimir Lenin was able to gain enough support for the establishment of an all-powerful central organ at the next congress.

At the 9th Party Congress the Democratic Centralists, an opposition faction within the party, accused Lenin and his associates, of creating a Central Committee in which a " small handful of party oligarchs ... was banning those who hold deviant views.

At the 14th Party Congress ( 18 – 31 December 1925 ) Kamenev and Zinoviev were forced into the same position that Trotsky had been forced into previously ; they proclaimed that the center was usurping power from the regional branches, and that Stalin was a danger to inner-party democracy.

At the 15th Party Congress ( 2 – 19 December 1927 ) the Left Opposition was crushed ; none of its members were elected to the Central Committee.

At the 18th Party Congress ( 10 – 21 March 1939 ) the department specializing in industry was abolished and replaced by a division focusing on personnel management, ideology and verification fulfillment.

At the 18th Party Conference ( 15 – 20 February 1941 ) it was concluded that the abolition of the Central Committee Department on Industry had led to the neglect of industry.

At the 21st Party Congress Khrushchev boldly declared that Leninist legality had been reestablishing, when in reality, he himself was beginning to following some of the same policies, albeit not at the same level, as Stalin had.

At lower levels the organizational hierarchy was managed by Party Committees, or partkoms ( партком ).

At an extraordinary Congress in Brussels held on 30 April 2004 the day before the enlargement of the European Union, the ELDR Party incorporated itself under Belgian law and later became a European political party.

At the time of the Lisbon Treaty ratification, they were actively campaigning against it, unlike the governing Civic Democratic Party, who endorsed it in the Chamber of Deputies.

At the Eighth Plenum of the Central Committee of the Party which lasted from 26 February – 8 March 1948, Xoxe was implicated in a plot to isolate Hoxha and consolidate his own power.

At the same time, the nation's film industry, which was fully nationalized throughout most of the country's history, was guided by philosophies and laws propounded by the monopoly Soviet Communist Party which introduced a new view on the cinema, socialist realism, which was different from the one before or after the existence of the Soviet Union.

At the 1962 general election the Grenada National Party won a majority and Herbert Blaize became Chief Minister for the second time.

At all points West Germany was much larger and richer that East Germany, which became a dictatorship under the control of the Communist Party and was closely monitored by Moscow.

At the same time, an Islamist party, the Islamic Party of Malaysia ( PAS ) and a Chinese socialist party, the Democratic Action Party ( DAP ), gained increasing support, at the expense of UMNO and the MCA respectively.