Radio Report to the Nation on the Dropping of the Atomic Bomb 

8/9/1945
National Broadcasting Company, Inc., Collection
National Archives Identifier: 1783706
This sound recording captures a speech in which President Harry S. Truman described the results of the Potsdam Conference and announced the dropping of the atomic bomb on Hiroshima, Japan.
DocsTeach: docsteach.org/documents/178370...
catalog.archives.gov/id/1783706