Timeline: Atomic Bomb Documents | Timetoast

Jan 20, 1945

Imperial Navy Order 37
Apr 8, 1945

Imperial Army Order 1299
Apr 25, 1945

Stimson Memorandum to the President
May 17, 1945

Palmer Article in LA Times
May 28, 1945

New Republic Editorial
Jun 8, 1945

Yank Article
Jun 11, 1945

Franck Report
Jun 17, 1945

Bard Memorandum
Jun 18, 1945

White House Meeting Minutes
Jul 2, 1945

Stimson Memorandum
Jul 17, 1945

MET Lab Petition
Jul 24, 1945

Memorandum for General Arnold
Aug 6, 1945

Leaflets dropped over Japan
Aug 6, 1945

Bombing of Hiroshima

The bomb known as "Little Boy" was dropped over Hiroshima. Initially there were about 70,000 deaths and 70,000 injured. Eventually at least 50,000 more died of related causes.
Aug 7, 1945

Telegram from Russell to Truman
Aug 9, 1945

Bombing of Nagsaki

"Fat Man" was dropped over Nagasaki, Deaths were estimated as 50,000 initially and 80,00 by the end of the year.