* Mary Hunter Austin ( 1868 – 1934 ), American writer

Subsequent formalizations were framed as attempts to define " effective calculability " or " effective method "; those formalizations included the Gödel – Herbrand – Kleene recursive functions of 1930, 1934 and 1935, Alonzo Church's lambda calculus of 1936, Emil Post's " Formulation 1 " of 1936, and Alan Turing's Turing machines of 1936 – 7 and 1939.

* 1864 – William Bate Hardy, British biochemist ( d. 1934 )

* 1878 – Erich Mühsam, German author ( d. 1934 )

* 1934 – Enrique Álvarez Félix, Mexican actor ( d. 1996 )

* 1934 – Anton Geesink, Dutch judoka ( d. 2010 )

* 1934 – Guy Peellaert, Belgian artist and photographer ( d. 2008 )

* 1934 – The strongest surface wind gust in the world at 231 mph, is measured on the summit of Mount Washington, New Hampshire.

* 1934 – The U. S. Auto-Lite Strike begins, culminating in a five-day melee between Ohio National Guard troops and 6, 000 strikers and picketers.

* 1934 – Heinz Schneiter, Swiss footballer

* 1934 – Don McKenney, Canadian ice hockey player

* 1934 – Jerry Lordan, English singer-songwriter and composer ( d. 1995 )

* 1934 – Piers Anthony, English writer

* 1934 – Chris Bonington, English mountaineer

* 1934 – Billy Boston, Welsh rugby player

* 1877 – William Brennaugh, Canadian lacrosse player ( d. 1934 )

England then achieved their first Ashes win at Lord's since 1934 to go 1 – 0 up.

* 1934 – Gleichschaltung: Adolf Hitler becomes Führer of Germany.

* 1858 – Emma of Waldeck and Pyrmont, ( d. 1934 )

* 2012 – Ekrem Bora, Turkish actor ( b. 1934 )

* 2012 – Miguel de la Madrid, Mexican politician, President of Mexico ( b. 1934 )

After 1890 came philosopher Josiah Royce ( 1855 – 1916 ), botanist Liberty Hyde Bailey ( 1858 – 1954 ), the Southern Agrarians of the 1920s and 1930s, novelist John Steinbeck ( 1902 – 1968 ), historian A. Whitney Griswold ( 1906 – 1963 ), environmentalist Aldo Leopold ( 1887 – 1948 ), Ralph Borsodi ( 1886 – 1977 ), and present-day authors Wendell Berry ( b. 1934 ), Gene Logsdon ( b. 1932 ), Paul Thompson, and Allan C. Carlson ( b. 1949 ).

In 1934, driven from their mountain bases such as the Chinese Soviet Republic, the CPC forces embarked on the Long March across China's most desolate terrain to the northwest, where they established a guerrilla base at Yan ' an in Shaanxi Province.

A quantitative chain chemical reaction theory was created by Soviet physicist Nikolay Semyonov in 1934.

* 1934 – In the Soviet Union, Politburo member Sergei Kirov is shot dead by Leonid Nikolayev at the Communist Party headquarters in Leningrad.

With the rise and official sanction of socialist realism in 1934, Vertov was forced to cut his personal artistic output significantly, eventually becoming little more than an editor for Soviet newsreels.

* 1934 – The Soviet steamship Cheliuskin sinks in the Arctic Ocean.

According to a 1993 study of archival Soviet data, a total of 1, 053, 829 people died in the Gulag from 1934 to 1953.

In the course of his visit to the Soviet Union in 1934, he debated the merits of reformist socialism over Marxism-Leninism with Stalin.

Piłsudski, conscious of Poland's precarious international situation, signed non-aggression pacts with the Soviet Union in 1932 and with Nazi Germany in 1934.

* 1934 – The Candidate of Sciences degree is established in the Soviet Union.

* Friedrich Werner von der Schulenburg: German Ambassador to the Soviet Union ( 1934 – 1941 )

From 1929 to 1934, during the period when Soviet leader Joseph Stalin was trying to collectivize agriculture, Kazakhstan endured repeated famines, similar to the Holodomor in Ukraine, for which it may have provided a model, because peasants had slaughtered their livestock in protest against Soviet agricultural policy.

According to Genrikh Borovik, who worked from Soviet archives, Tudor Hart recommended Litzi and Philby in 1934.

Voroshilov was appointed People's Commissar for Defence in 1934 and a Marshal of the Soviet Union in 1935.

However, he was re-admitted in 1930 and was one of the few former oppositionists to retain a prominent place within the party, heading the International Information Bureau of the Russian Communist Party Central Committee as well as giving the main address at the First Soviet Writer's Conference in 1934.

In May 1934, Wever initiated a seven year project for the Ural Bomber, the bomber that would take the Luftwaffes bombing campaign into the heart of the Soviet Union.

The Soviet Union became a member on 18 September 1934, and was expelled on 14 December 1939 for aggression against Finland.

He returned in 1932, and in 1934 directed The Jolly Fellows, the first Soviet musical.

From 1931 to 1934, Mao helped establish the Soviet Republic of China and was elected Chairman of this small republic in the mountainous areas in Jiangxi.

* 1968 – Yuri Gagarin, Soviet cosmonaut ( b. 1934 )

Imports of Soviet goods to Germany fell to 223 million Reichsmarks in 1934 as the more isolationist Stalinist regime asserted power and the abandonment of post – World War I Treaty of Versailles military controls decreased Germany's reliance on Soviet imports.

* Estonia: Defined as a nation state in its 1992 constitution, up until the period of Soviet colonialisation, Estonia was historically a very homogenous state with 88. 2 % of residents being Estonians, 8. 2 % Russians, 1, 5 % Germans and 0. 4 % Jews according to the 1934 census.

He was a member of the Politburo ( 1924 – 1929 ) and Central Committee ( 1917 – 1937 ), chairman of the Communist International ( Comintern, 1926 – 1929 ), and the editor in chief of Pravda ( 1918 – 1929 ), the journal Bolshevik ( 1924 – 1929 ), Izvestia ( 1934 – 1936 ), and the Great Soviet Encyclopedia.