It wasn't- Australia had no active participation of the atomic bombings of Hiroshima and Nagasaki, although certain members of the Australian War Cabinet may have been told in advance that the USAF were soon to use a hitherto new and secret weapon against the Japanese mainland.
However, parts of the Australian desert were used as nuclear testing ranges by both Britain and the US in the early 1950s.
Harry s. truman approved the dropping of an atomic bomb on japan.
The atomic bomb was dropped on Hiroshima and Nagasaki in World War 2.
Truman
end WW2
They didn't really effect it.
Not dropping it!
Harry s. truman approved the dropping of an atomic bomb on japan.
Most think he was not wrong about dropping the atomic bombs.
The atomic bomb was dropped on Hiroshima and Nagasaki in World War 2.
It ended the war!
President Truman.
President Truman
President Truman.
See atomic bombings of Hiroshima and Nagasaki
It ended WWII & the world entered the "Atomic Age."
See: Atomic bombings of Hiroshima and Nagasaki
Well, it was usually considered the official start.