Hiroshima Atom Bomb

75th Anniversary of Hiroshima Bombing: 10 Facts About That Dreadful Day.

75 years ago, mankind witnessed the power of the nucleus of an atom. August 6, 1945, was the day when the first atomic bomb was detonated over the city of Hiroshima, Japan. Seventeen Nobel Laureates were involved in the manufacture of the bomb in a classified mission: The Manhattan Project. The bombings brought an end to WWII. Here are 10 lesser-known facts about that dreadful day:

1. Pamphlets

The US Air force before dropping the atom bomb dropped pamphlets in Hiroshima warning people of the bombing.

hiroshima bombing
The leaflets before Hiroshima bombing

In Japanese, the back of the pictured leaflet read:

“Read this carefully as it may save your life or the life of a relative or friend. In the next few days, some or all of the cities named on the reverse side will be destroyed by American bombs. These cities contain military installations and workshops or factories which produce military goods. We are determined to destroy all of the tools of the military clique which they are using to prolong this useless war. But, unfortunately, bombs have no eyes. So, in accordance with America’s humanitarian policies, the American Air Force, which does not wish to injure innocent people, now gives you warning to evacuate the cities named and save your lives. America is not fighting the Japanese people but is fighting the military clique which has enslaved the Japanese people. The peace which America will bring will free the people from the oppression of the military clique and mean the emergence of a new and better Japan. You can restore peace by demanding new and good leaders who will end the war. We cannot promise that only these cities will be among those attacked but some or all of them will be, so heed this warning and evacuate these cities immediately.”

The distribution of these leaflets, along with the radio broadcasts, does put a dent in the argument that America was unconcerned about the potential civilian deaths as a result of an atomic attack, but the debate over the bombs’ necessity in ending the war will never be truly resolved. – Source

2. The Policeman

After bombing of Hiroshima, one policeman went to Nagasaki to teach the technique of ducking after the atomic flash. This is why no policeman died of bombing in Nagasaki. Although the Japanese knew nothing about the atomic bomb, the policeman told them that a bright light would be followed within seconds by a deadly shock wave. Tsutomo Yamaguchi, a surviving ship designer for Mitsubishi, also brought this message from Hiroshima to his company in Nagasaki, and many in his section were saved from serious injury from flying glass. – Source

The general population however was not warned of the heat or blast danger following an atomic flash, due to the new and unknown nature of the atomic bomb. Many people in Hiroshima and Nagasaki died while searching the skies, curious to locate the source of the brilliant flash.

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3. Oleander

The Oleander is the official flower of the city because it was the first thing to bloom after the explosion of the nuclear bomb. Source

4. Cyanide Pills

12 cyanide pills were kept in the cockpit of the Enola Gay (plane carrying the atom-bomb), and pilots were instructed to take them if the mission was compromised during the bombing of Hiroshima – Source

5. The Secrecy

Only 3 of the 12 people on board the Enola Gay actually knew the real purpose of their mission to Hiroshima. – Source

Oak Ridge was conceived and built by the United States government in the early 1940s as base for uranium and plutonium work, as part of the Manhattan Project. As the nuclear effort marched along, the town grew, too. By 1945, a dense suburb had taken shape, home to roughly 75,000 people. At war’s end, Oak Ridge was the fifth-largest city in the state—and all along, it was supposed to be a secret.

hiroshima bombing
Billboards like this one, photographed in 1943, reminded workers to keep their work confidential. Courtesy U.S. Department of Energy and Oak Ridge Public Library

6. Ignorance

On August 6, 1945, Japanese radars tracked a few US planes entering the territory. However, they weren’t intercepted as they thought a small number of planes would not pose a threat to the nation.  Source

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7. What just happened?

It took Tokyo about 3 hours before they realized Hiroshima had been bombed. – Source

8.  The lucky one

The closest known survivor of the Hiroshima atomic blast was in a basement just 170 m from ground zero. – Source

9. Surviving Hiroshima and Nagasaki

In 1945, a man named Tsutomu Yamaguchi survived the atomic blast at Hiroshima, dragged himself into an air-raid shelter, spent the night there, in the morning caught a train so he could arrive at his job on time in Nagasaki, where he survived another atomic blast. – Source

10. The flame of peace

‘The Flame of Peace’ has burned since 1964 in the honor of victims killed in the atomic bombings and will be extinguished only when there will be no more nuclear weapons and Earth will be free of the nuclear threat. Source

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5 thoughts on “75th Anniversary of Hiroshima Bombing: 10 Facts About That Dreadful Day.”

  1. The most important fact not listed was that the soviet union was allowed to enter the war against Japan 3 months after the end of the war in Europe the 8th of may. As such if could attack and maybe get a foot hold in Japan before the end if the war. The atomic bomb was as much about stopping the influence of the Soviet union as it was about stopping Japan!!!

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