* 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.

* 1939: The names " Robert the Bruce " and " Mad Anthony Wayne " are the inspiration for " Bruce Wayne ", the name for the civilian identity of DC Comics superhero Batman.

Between early 1939 and late 1941, DC and sister company All-American Publications introduced such popular superheroes as Batman and Robin, Wonder Woman, The Flash, Green Lantern, the Atom, Hawkman, and Aquaman, while Timely Comics, the 1940s predecessor of Marvel Comics, had million-selling titles that featured the Human Torch, the Sub-Mariner, and Captain America.

* DC Comics published a 1939 New York World's Fair Comics comic book, followed by a 1940 edition in the next year.

* In 1939, DC gave them their own comic book, published until 1958 for 103 issues, that consisted entirely of newspaper reprints.

* Batman / Bruce Wayne from the DC Universe ( 1939 ).

The Air Safety Board purchased the aircraft in 1939 and it remained in use for 14 years before it was donated to the National Air and Space Museum, Washington, DC.

The first, published by the Amalgamated Press ( later Fleetway Publications ), was launched by editor Percy Clarke and sub-editor Leonard Matthews in 1939 to compete with The Dandy and The Beano, launched by DC Thomson in 1937 and 1938 respectively.

* Atlantis ( DC Comics ), a location in the DC Comics universe since 1939

Most likely the reason for the title change was that DC received a cease and desist letter from Better Publications, Inc., who had been publishing a comic book entitled Best Comics since November 1939.

" Denny " O ' Neil ( born May 3, 1939, in St. Louis, Missouri ) is an American comic book writer and editor, principally for Marvel Comics and DC Comics in the 1960s, 1970s, 1980s, and 1990s, and Group Editor for the Batman family of books until his retirement.

He was a Staff Officer from 1939 to 1942 and a member of the British Army Staff Mission, Washington, DC USA in 1941.

However, plans were changed at the outbreak of the Second World War in September 1939: at mobilisation the reserve AMR squadron of the 1st DC was equipped with the Hotchkiss H35 and its stocked AMR 35s relegated to the other seven squadrons — two reserve tanks for each — and, in a number of six, to the general matériel reserve.

At the end of 1939 1e DC was changed into the 1re Division Légère de Cavalerie.

The line from Strood to Maidstone West was electrified ( at 750 V DC third rail ) by the Southern Railway, opening on 2 July 1939.

It met in Washington, DC from January 3, 1937 to January 3, 1939, during the first two years of the second administration of U. S. President Franklin D. Roosevelt.

It met in Washington, DC from January 3, 1939 to January 3, 1941, during the seventh and eighth years of Franklin D. Roosevelt's presidency.

Category: Comics characters introduced in 1939

Marvel started in 1939 as Timely Publications, and by the early 1950s had generally become known as Atlas Comics.

Marvel Mystery Comics | Marvel Comics # 1 ( Oct. 1939 ), the first comic from Marvel precursor Timely Comics.

Martin Goodman founded the company later known as Marvel Comics under the name Timely Publications in 1939, publishing comic books under the imprint Timely Comics.

Timely's first publication, Marvel Comics # 1 ( cover dated Oct. 1939 ), included the first appearance of Carl Burgos ' android superhero the Human Torch, and the first generally available appearance of Bill Everett's anti-hero Namor the Sub-Mariner, among other features.

Their first comic was Blue Ribbon Comics, published November 1939 ; the first issue was half color, with the remaining pages in red and white tints.

Beginning with Blue Ribbon Comics # 1 ( November 1939 ), and continuing throughout the 1940s with titles such as Zip Comics, Jackpot Comics, Hangman Comics, Shield-Wizard Comics and Pep Comics.

Gladstone also collected a number of Gottfredson's serials in the larger-size " comic albums " it issued during the 1980s ; in 1990, Disney Comics issued " Mickey Mouse Outwits the Phantom Blot " ( 1939 ) in the same format.

The planet was created by Jerry Siegel and Joe Shuster, and was first referred to in Action Comics # 1 ( June 1938 ); the planet was given its first full-fledged appearance in Superman # 1 ( Summer 1939 ).

In 1939, Fox co-created ( with artist Bert Christman ) the character of the Sandman, a gasmask-wearing costumed crime-fighter whose first appearance in Adventure Comics # 40 ( July 1939 ) was pre-empted by an appearance in New York World's Fair Comics ( for which Fox also wrote a Zatara story ).

Lev Gleason Publications hired Cole in 1939 to edit Silver Streak Comics, where one of his first tasks was to revamp the newly-created superhero Daredevil.