There were three planes so the Japanese did not think more than the planes were just weather planes. They were mistaken.
The allies did not participate in the bombing of Nagasaki. President Truman took all the responsible.
Japan
The U.S.A won the war after dropping the bomb on Nagasaki.
It was August 8th, 1945
See: Atomic bombing of Hiroshima and Nagasaki
August 6 1945 was Hiroshima and the 9th was Nagasaki.
Nagasaki was devastated. The damage reached over 12 miles.
USA
The US and Japan .
70000
Tinian Island.
August 9 1945.