Around 70,000 nuclear missiles were built since WWII.
Tokyo only realized that atomic bomb was dropped on Hiroshima 3 hours after it happened.
4,680 nuclear bombers were built since 1945.
The original target of the atomic bomb that landed in Nagasaki was originally Kokura, an other Japanese city.
The US blew up multiple atomic and hydrogen bombs in space.
The closest known survivor was only 170 meters or 558 feets aways from the detonation of the atomic bomb of Hiroshima.
One out of every 250 US citizen worked on the Manhattan Project during the Second World War.
The last US nuclear test was in 1992.
The Flame of Peace in Hiroshima has burned since 1964 in honor of the victims. It will be only extinguished when all of the nuclear weapons are destroyed and the planet is free from any nuclear threat.
There are currently about 16,400 nuclear warheads in the world.
Prior to the first nuclear bomb detonation in July of 1945, isotopes such as strontium-90 and cesium-137 simply did not exist in nature. Pieces of art and bottles of wine created before 1945 can be tested for cesium, if they contain traces of cesium they would almost certainly be fake.