It was at the Trinity Site, at the White Sands Missile Range. It is located in New Mexico. It was not too far from Los Alamos were the design team had been isolated.
The first exploded over Heroshima, the second over Nagasaki.
The first atomic bomb used against mankind exploded at 8.15 over Hiroshima.
fartland
8.15 am
July 16, 1945 just before dawn.
USSR
It was a plutonium implosion type. So it was an atomic bomb.
When the Soviet Union exploded an atomic bomb, the US response was to increase its own arsenal and its own testing of nuclear weapons.
It was in 1949 that the Soviet Union exploded an atomic bomb, and the communists gained control of China. Both of these events were worrisome to the U.S.
Pakistan
the first atomic bomb leveled nothing. That was exploded at the Trinity test site. The first bomb used in war was at Hiroshima Japan, and pretty much destroyed everything in a 3 mile radius. That is just over 7 square miles.
The very first atomic bomb was exploded in a test in the New Mexico desert on July 16, 1945. If you'd like to look up more information about it, you can look up the codename "Trinity".