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President Roosevelt Establishes Manhattan Project

June 17, 1942
Washington, DC
President Roosevelt Establishes Manhattan Project

President Roosevelt instructs the Army to take responsibility for construction of atomic weapons complex. The Army delegates the task to the Corps of Engineers, which establishes the Manhattan Engineer District.

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Source URL (retrieved on May 21, 2013): http://nnsa.energy.gov/aboutus/ourhistory/timeline/president-roosevelt-establishes-manhattan-project