On This Day: 78 years since US drops atomic bomb on Hiroshima, Japan
The bombing was the first-ever use of nuclear weapons in war and was followed three days later by a second nuclear bomb on Nagasaki.
A cloud is seen over Hiroshima made by the firestorm formed following the dropping of the Little Boy atomic bomb on the Japanese city in what is the first use of nuclear weapons in war, on August 6, 1945.(photo credit: Wikimedia Commons)Updated: 
