Jean Chung / Getty Today you will hardly find a person, who has never heard of the nuclear bomb explosion over Hiroshima and Nagasaki during the World War II. When the U.S. air forces dropped these two bombs on two Japanese states, it was a first reported incident, when nuclear weapon was used for warfare. The blasts had killed thousands of military and civil people, and numerous other residents got serious injuries and radiation dosages.On this day in 1945, a second atom bomb is dropped o [...]