On August 6 and 9, 1945, the cities of Hiroshima and Nagasaki were destroyed by the first atomic bombs used in warfare.
Documents on the decision to use the atomic bomb are reproduced here in full-text form. In most cases, the originals are in the U.S. National Archives. Other aspects of the decision are shown from accounts by the participants. This page was new May 29, 1995, and it was last updated August 9, 2003.
http://www.dannen.com/decision/index.html