Go to Home Page
  Welcome to the Nuclear Files Website
  • July 1, 1945 - Leo Szilard begins circulating a petition to President Truman, expressing opposition on moral grounds to using the atomic bomb against Japan.
  • July 9, 1955 - The Russell-Einstein Manifesto is issued, which addresses the dangers of thermonuclear weapons.
  • July 16, 1945 - The Trinity test, a plutonium implosion device, takes place at 5:29:45 a.m. mountain war time at Alamogordo, New Mexico. It is the world’s first atomic detonation.
  • July 21, 1945 - President Truman approves the order for atomic bombs to be used against cities in Japan.
  • July 31, 1991 - President George H.W. Bush and President Mikhail Gorbachev sign the Strategic Arms Reduction Treaty (START), using pens made from melted down SS-20 and Pershing II missiles. The Treaty calls for the elimination of almost fifty percent of the nuclear warheads carried by ballistic missiles.
Search our extensive Timeline of Nuclear Events.
Explore the Nuclear Files Educator's section. Resources for the classroom and beyond.
Here are some of the new additions to Nuclear Files:

The Sunflower is a FREE resource offering news, information and analysis on global security issues.