* 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.

He filmed the cave scene for The Adventures of Tom Sawyer ( 1938 ) and, following the firing of its original director Richard Thorpe, Cukor spent a week on the set of The Wizard of Oz ( 1939 ).

* 1939 – Tom Cheek, American sportscaster ( d. 2005 )

* 1939 – Tom West, American computer engineer and industry executive

* 1939 – Tom Harkin, American politician

* 1939 – Tom O ' Connor, British comedian

Tom and Jerry are the cat and mouse cartoon characters that were evolved starting in 1939.

Tom Swift and His Giant Telescope ( 1939 ), from the original Tom Swift series

Further highlights of this period included Tom, Dick, and Harry, a 1941 comedy in which she dreams of marrying three different men ; I'll Be Seeing You, with Joseph Cotten ; La Cava's 5th Avenue Girl ( 1939 ), where she played an out-of-work girl sucked into the lives of a wealthy family ; and especially the sharp and highly successful comedies: Bachelor Mother ( 1939 ), with David Niven, in which she played Polly Parrish, a shop girl who is falsely thought to have abandoned her baby ; and Billy Wilder's first Hollywood feature film: The Major and the Minor ( 1942 ), in which she played a woman who masquerades as a 12-year-old to get a cheap train ticket and finds herself obliged to continue the ruse for an extended period.

Pickens appeared in dozens of films, including Old Oklahoma Plains ( 1952 ), Down Laredo Way ( 1953 ), One-Eyed Jacks ( 1961 ) with Marlon Brando, Dr. Strangelove ( 1964 ), Major Dundee ( 1965 ) with Charlton Heston, the remake of Stagecoach ( 1966 ; Pickens played the driver, portrayed in the 1939 film by Andy Devine ), Never a Dull Moment ( 1968 ), The Cowboys ( 1972 ) with John Wayne, Ginger in the Morning ( 1974 ) with Fred Ward, Blazing Saddles ( 1974 ), Poor Pretty Eddy ( 1975 ), Rancho Deluxe ( 1975 ), The Getaway with Steve McQueen, Tom Horn ( 1980 ), also with McQueen, An Eye for an Eye ( 1966 ) and Pat Garrett and Billy the Kid ( 1973 ) in a small but memorable role.

His successes continued with classics such as The Garden of Allah ( 1936 ), The Prisoner of Zenda ( 1937 ), A Star Is Born ( 1937 ), Nothing Sacred ( 1937 ), The Adventures of Tom Sawyer ( 1938 ), The Young in Heart ( 1938 ), Made for Each Other ( 1939 ), Intermezzo ( 1939 ) and Gone with the Wind ( 1939 ), which remains the highest grossing film of all time ( adjusted for inflation ).

According to J. Bowyer Bell, in the Secret Army, " With the possible exception of Tom Maguire, who went along, the Dáil members felt that the IRA request gave them the moral recognition so long denied by all factions and that their conditional devolution of power would in turn give the IRA the moral basis for the impending campaign " of 1939 – 45.

* Wydarzenia 3 i 4 września 1939 r. w Bydgoszczy – „ Blutsonntag ", reproduction of text from Historia Bydgoszczy, Tom II, część druga 1939 – 1945, Marian Biskup ( ed.

She voiced the Wicked Witch of the West in Tom and Jerry and the Wizard of Oz, an animated direct-to-DVD midquel / parallel of the classic 1939 film.

The Smothers Brothers are Thomas (" Tom "-born February 2, 1937 ) and Richard (" Dick "-born November 20, 1939 ), American singers, musicians, comedians and folk heroes.

Tom was born on February 2, 1937, and Dick was born on November 20, 1939.

He was the longest-lasting Promethea, from 1939 – 1969, and acted as a " science-hero " in the ABC universe with Tom Strong during that period.

The western end of the lake is bounded by Tom Miller Dam, built in 1939.

The reservoir was formed in 1939 by the construction of Tom Miller Dam by the Lower Colorado River Authority.

* Tom Hayward ( 1871 – 1939 ), English cricketer