<Li> August 6, 1945--An atomic bomb, Little Boy, dropped on Hiroshima from a special B - 29 Superfortress named Enola Gay, flown by Col. Paul Tibbets . It is the first use of atomic weapons in combat . (Atomic bombing of Hiroshima) </Li> <Li> August 8, 1945--The Soviet Union declares war on Japan against the Soviet--Japanese Neutrality Pact . </Li> <Li> August 9, 1945--Second, and more powerful plutonium implosion atomic bomb, Fat Man, is dropped on Nagasaki from a different Silverplate B - 29 named Bockscar, flown by Maj . Charles Sweeney (Atomic bombing of Nagasaki) </Li> <Li> August 9, 1945--Soviet Armies launch the Soviet invasion of Manchuria . </Li>

End of world war 2 in the pacific