The Bombing of
Hiroshima and Nagasaki
POTSDAM DECLARATION






Called for Japan’s
unconditional
surrender and an
end to Militarism in
Japan.
Issued on July ...
REASONS FOR A-BOMBING?










Japan refused the Declaration
The USA did not want to invade Japan
They reasoned th...
MANHATTAN PROJECT




A secret US project
to create first
atomic weapon.
The bombs were
made of uranium
and plutonium
is...
CHOOSING TARGETS
There were four
targets to choose
from: Hiroshima,
Kokura, Nagasaki,
and Niigata.
 Hiroshima and
Nagasak...
BOMBING ON HIROSHIMA


Hiroshima was the
primary target on
August 6, 1945.
B-29 ENOLA GAY,
followed by two
other B-29s. G...






On August 6, 1945, Paul W. Tibbets and his
crew dropped the Uranium-based Atomic
bomb on Hiroshima.
The Gun-like ...
Aftermath




The last killed
approx. 70,000
people in Hiroshima.
By the end of 1945
90,000-166,000
people died of
relat...


1950-2000, 46% of
leukemia deaths and
11% of solid cancer
deaths among bomb
survivors were due to
radiation from the
bo...
BEFORE

AFTER
JAPAN STILL DID NOT
REACT TO POTSDAM
DECLARATION
“The world will note that the first atomic
bomb was dropped on Hiroshima, a military
base. We won the race of discovery ag...
BOMBING




On the morning of
August 9, 1945, the
U.S. B-29
Superfortress
Bockscar, flown by
the Major Charles
W. Sweene...
6.4kg plutonium-239=21 Kilotons of TNT
Aftermath


The death toll (of
all related deaths)
was about 135,000




Japan surrendered
to the Allied
Powers on August
14, 1945.
Emperor Hirohito
accepted the
Potsdam
Declaration
The End
Hiroshima and nagasaki
Hiroshima and nagasaki
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Hiroshima and nagasaki

  1. 1. The Bombing of Hiroshima and Nagasaki
  2. 2. POTSDAM DECLARATION    Called for Japan’s unconditional surrender and an end to Militarism in Japan. Issued on July 26, 1945 by Harry S. Truman. If Japan did not surrender it would face "prompt and utter destruction."
  3. 3. REASONS FOR A-BOMBING?       Japan refused the Declaration The USA did not want to invade Japan They reasoned that using the A-bomb would deliver a huge blow to Japan This would save the lives of hundreds of thousands of American troops US wanted to end the World War II with less American casualties. US wanted to test their two new bombs
  4. 4. MANHATTAN PROJECT   A secret US project to create first atomic weapon. The bombs were made of uranium and plutonium isotopes.
  5. 5. CHOOSING TARGETS There were four targets to choose from: Hiroshima, Kokura, Nagasaki, and Niigata.  Hiroshima and Nagasaki were selected because they were left mostly untouched by war. 
  6. 6. BOMBING ON HIROSHIMA  Hiroshima was the primary target on August 6, 1945. B-29 ENOLA GAY, followed by two other B-29s. Great Artiste and Necessary Evil.
  7. 7.    On August 6, 1945, Paul W. Tibbets and his crew dropped the Uranium-based Atomic bomb on Hiroshima. The Gun-like bomb was code named “Little Boy.” 60 kg of Uranium-235 = 13 Kilotons of TNT
  8. 8. Aftermath   The last killed approx. 70,000 people in Hiroshima. By the end of 1945 90,000-166,000 people died of related diseases
  9. 9.  1950-2000, 46% of leukemia deaths and 11% of solid cancer deaths among bomb survivors were due to radiation from the bombs.
  10. 10. BEFORE AFTER
  11. 11. JAPAN STILL DID NOT REACT TO POTSDAM DECLARATION
  12. 12. “The world will note that the first atomic bomb was dropped on Hiroshima, a military base. We won the race of discovery against the Germans. We have used it in order to shorten the agony of war, in order to save the lives of thousands and thousands of young Americans. We shall continue to use it until we completely destroy Japan's power to make war.” - President Harry S. Truman
  13. 13. BOMBING   On the morning of August 9, 1945, the U.S. B-29 Superfortress Bockscar, flown by the Major Charles W. Sweeney and his crew. Bomb Code name: “FAT MAN”
  14. 14. 6.4kg plutonium-239=21 Kilotons of TNT
  15. 15. Aftermath  The death toll (of all related deaths) was about 135,000
  16. 16.   Japan surrendered to the Allied Powers on August 14, 1945. Emperor Hirohito accepted the Potsdam Declaration
  17. 17. The End

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