What is the name of the first atomic bomb the united states dropped?
The first bomb that was dropped was uranium bomb code named “Little Boy” that was dropped on Aug. 6, 1945 on Hiroshima and the second was code named “Fat Man” and it was a plutonium bomb dropped on Aug. 9, 1945 on Nagasaki. The was ended only 1 day after the second bomb was dropped. The bombs caused Japan to surrender. Both a-bombs (atomic bombs) caused about 128,000 people to die and over 120, 000 people suffered from radiation sickness and cancer. So much suffering led many of them to die shortly after.