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Attack on Pearl Harbor
In 1941, Japan caused a pacific war on Pearl Harbor. Japan was intending to destroy American fleets. This later caused United States to join the World War II, both in Pacific and Europe. Unfortunately this attack became one of the primary reasons of atomic bombs. Source:
http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki -
Manhattan Project
Manhattan project was a nuclear project that originally targetted Germany. When Germany or Naxis surrendered, United States decided to use the atomic bombs on Japan. It later proceeded to the trinity nuclear test in New Mexico. Then finally, United States drop nuclear bombs in Hiroshima and Nagasaki -
Potsdam Ultimatum
Allied leaders warned Japan to surrender. They warned that if Japan does not surrender there would be "the inevitable and complete destruction of the Japanese armed forces and just as inevitably the utter devastation of the Japanese homeland". However Japan refused the warning, and kept the war going, which later caused Japan to have milllions of innocent deaths. Source:
http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki -
Bombing of Hiroshima
An atomic bomb, Little Boy, was dropped in Hiroshima, which was the city of industrial and military significance. The bomb literally obliterated the whole city, and left millions of casualties; Radio Tokyo decribed this event as : "Practically all living things, human and animal, were literally seared to death". The bombing became one of the keys to end the World War II. -
Bombing of Nagasaki
After the bomb of Hiroshima, another bomb was dropped in Nagasaki, where it was known for its industrial activity (it covered 90% of Japan in industrrial activities). United States was originally going to target Kokura, however, due to the foggy weather, plan was changed to Nagasaki. About 75,000 people were killed imediately from this bomb. This event, again, has shocked the world by showing the power of such bomb. Source:
http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki -
Japan surrenders
The atomic bomb was more than a weapon of terrible destruction; it was a psychological weapon.
— Henry L. Stimson, 1947[162] After the obliteration of two major cities, Emperor of Japan, Hirohito, officiially announced the final surrender of Japan. This meant that World War II was officially over. This brought freedom to lots of countries. It took away the colonies that Japan had. The peace was here.
