* 1939 – 1945, the Second Battle of the Atlantic.

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.

* 1890 – Anthony Fokker, Dutch aviation engineer ( d. 1939 )

* 1939 – André Ouellet, French-Canadian politician

* 1852 – Ferdinand von Lindemann, German mathematician ( d. 1939 )

* 1939 – Alan Ayckbourn, English writer

* 1939 – Johnny Raper, Australian rugby league footballer

* 1939 – The 1939-40 New York World's Fair opens.

* 1939 – NBC inaugurates its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt's N. Y. World's Fair opening day ceremonial address.

* 1939 – First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.

* 1939 – William Least Heat-Moon, American author

* 1939 – Edward Patten, American singer-songwriter and producer ( Gladys Knight & the Pips ) ( d. 2005 )

* 1939 – Bulle Ogier, French actress

* 1939 – Romano Prodi, Italian politician and statesman

* 1939 – Hércules Brito Ruas, Brazilian footballer

* 1939 – Albert Einstein and Leó Szilárd write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.

* 1939 – Benjamin Barber, American theorist

* 1939 – Wes Craven, American director

* 1939 – John W. Snow, American politician, 73rd United States Secretary of the Treasury

* 1984 – Marvin Gaye, American singer ( The Moonglows ) ( b. 1939 )

* 2001 – Trinh Cong Son, Vietnamese composer ( b. 1939 )

Eastern European theorists include Pyotr Stolypin ( 1862 – 1911 ) and Alexander Chayanov ( 1888 – 1939 ) in Russia ; Adolph Wagner ( 1835 – 1917 ), and Karl Oldenberg in Germany, and Bolesław Limanowski ( 1835 – 1935 ) in Poland.

During the winter of 1939 – 40, Hitler decreased the size of the fighting manpower in order to return as many skilled workers to the factories as was possible.

After his death, Husserl's manuscripts, amounting to approximately 40, 000 pages of " Gabelsberger " stenography and his complete research library, were in 1939 smuggled to Belgium by the Franciscan priest Herman Van Breda.

* During World War II, the secret protocol in Molotov-Ribbentrop pact enabled Winter War ( 1939 – 40 ), a Soviet attack on Finland.

It is estimated that, by 1936, the OND had organised 80 % of salaried workers and, by 1939, 40 % of the industrial workforce.

He developed his ideas in Feudal Society ( 1939 – 40 ; English 1961 ).

* " To New Horizons " – A video document recording the display at the 1939 / 40 World's Fair ( from Prelinger archives )

The original design of the Molotov cocktail produced by the Finnish alcohol monopoly Alko during the Winter War of 1939 – 40.

* A Thousand Lakes of Red Blood on White Snow, a brief history of the subarctic origins of the Molotov cocktail in the Russo-Finnish Winter War of 1939 – 40

Families were forced to travel in the severe winter of 1939 – 40, leaving behind almost all of their possessions without recompense.

In the winter of 1939 – 40, about 100, 000 Jews were thus deported to Poland.

Deputy to Frank in Poland 1939 – 40.

This project is loosely based on the 1939 / 40 study.

Founded by German merchant Georg Wertheim ( 1857 – 1939 ), designed by architect Alfred Messel ( 1853 – 1909 ), opened in 1897 and extended several times over the following 40 years, it ultimately possessed a floor area double that of the Reichstag, a 330-metre-long granite and plate glass facade along Leipziger Straße, 83 elevators, three escalators, 1, 000 telephones, 10, 000 lamps, five kilometres of pneumatic tubing for moving items from the various departments to the packing area, and a separate entrance directly from the nearby U-Bahn station.

On 30 November, the Red Army also attacked Finland, in the Winter War of 1939 – 40.

Critics of the textbook note the lack of detail about historical events such as the Siege of Leningrad ( 1941 – 44 ), the Gulag forced-labour camps, the Russo – Finnish Winter War ( 1939 – 40 ), the First Chechen War ( 1994 – 96 ), and the Second Chechen War ( 1999 – 2000 ), as serious factual inaccuracies ; most egregious, the critics propose, is the absence of the Holocaust ( 1933 – 45 ), and the glorification of the rule of Josef Stalin ( 1922 – 53 ).

By the time the war began, the number of members rose to 250, 000, and the Waffen-SS was formed in August 1940, expanding the earlier armed SS troops who had fought in Poland and France in 1939 – 40, to serve alongside the Wehrmacht, Germany's regular armed forces.

Atlético were only awarded a place during the 1939 – 40 season as a replacement for Real Oviedo, whose ground had been damaged during the war.

Until the Winter War ( 1939 – 40 ), Finland's territory also reached to the Barents Sea, with the harbor at Petsamo being Finland's only ice-free winter harbor.

The winters of 1939 / 40, 1940 / 41 and 1941 / 42 were particularly severe, with the race being run in each of them.

:: 1923 – 24, 1927 – 28, 1935 – 36, 1937 – 38, 1939 – 40, 1960 – 61, 1961 – 62, 1964 – 65, 1968 – 69, 1970 – 71, 1973 – 74, 1983 – 84, 1992 – 93, 1998 – 99

" Building The World of Tomorrow " ( New York, 1939 – 40 ), " Peace Through Understanding " ( New York, 1964 – 65 ) and " Man and His World " ( Montreal, 1967 ) are examples of these themes.

Heath spent the winter of 1939 – 40 on a debating tour of the United States before being called up, and early in 1941 was commissioned into the Royal Artillery.

Amendments made by the Reclamation Project Act of 1939 gave the Department of the Interior, among other things, the authority to amend repayment contracts and to extend repayment for not more than 40 years.