This , in combination with the Soviet entrance into the war , convinced the Japanese to surrender unconditionally .
These were dropped on the Japanese cities of Hiroshima and Nagasaki on August 6 and 9 , 1945 each .
In combination with the Soviet entrance into the war , convinced the Japanese to surrender unconditionally .
These were dropped on the Japanese cities of Hiroshima and Nagasaki on August 6 and 9 , 1945 each .