February 1940Uranium-235 SeparationAlfred Nier
Separates uranium-235 for early fission measurements.
Historical records for United States of America in 1940, rendered directly from the World History Database and ordered by month, day and event.
Separates uranium-235 for early fission measurements.
Shows uranium-235 is responsible for slow-neutron fission.
Birth of Alfredo James "Al" Pacino
Provides for a shipbuilding program for entry into the 2nd World War
Provides for a shipbuilding program for entry into the 2nd World War
Will supply Britain with 50 WW1 destroyers for the lease of Caribbean naval bases
Congress authorizes the President to call the National guard & other reserves for 1 yr
Congress authorizes the President to call the National guard & other reserves for 1 yr
Congress agrees to lend 50 destroyers to Britain in return for 99 yr naval base leases
Congress agrees to lend 50 destroyers to Britain for 99 yr leases on naval bases
Congress agrees to lend 50 destroyers to Britain in return for 99 yr naval base leases
Congress agrees to lend 50 destroyers to Britain in return for 99 yr nave base leases
Burke-Wadsworth Bill, passed to provide for limited conscription
Burke-Wadsworth Bill, passed to provide for limited conscription
Burke-Wadsworth Bill, passed to provide for limited conscription
Becomes a United States citizen while retaining Swiss citizenship.
Helps establish the laboratory that develops wartime microwave radar.
Elected for a 3rd term, 27 million votes to Wilkies 22 million votes
Directs major American radar research at MIT.
Birth of Frank Vincent Zappa
Makes a speech pledging more aid to Britain & declares the Axis will not win the war
Approves the speech goven by Roosevelt to give additional support to the Allies
The Defence Commission announces approval for arms contracts worth œ2.5 million. Makes a speech pledging more aid to Britain & declares the Axis will not win the war. It is announced that the "loan or lease" plan will be extended to Greece & China
The Defence Commission announces approval for arms contracts worth œ2.5 million
Produces plutonium from uranium-derived neptunium.
Winner of Best Supporting Actor for The Westerner
Winner of the Oscar for Best Actor, "The Philadelphia Story" as Macaulay Connor
Discusses naval co-operation between the USA & Britain
Builds the first successful betatron, accelerating electrons to high energy with a changing magnetic field.
Marguerite Oswald moved with young Lee to a rented home on Congress Street after renting out the family property on Alvar Street.
Defeated by Roosevelt for the Presidency
Publication of "For Whom the Bell tolls"
Finds neptunium during uranium irradiation studies.
Directs Our Town
Appointed Observer in London by the Navy Department
Appointed Observer in London by the Navy Department
Winner of the Gold Medal of the Royal Astronomical Society
Appointed Secretary of State for War, 2nd term
Stars in, "The Philadelphia Story"
The Westerner is a 1940 film directed by William Wyler and starring Gary Cooper
Appointed Under Secretary of the Navy
Appointed Under Secretary of the Navy
Publication of "Why England Slept", problems with dictators before World War II
Publication of "Why England Slept", problems with dictators before World War II
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.