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WW2 started
This event occurred when the prime minister of Britan declared war on Germany
[http://www.primaryhomeworkhelp.co.uk/Britain.html] -
Japan gets involved in World War 2 after signing the Tripartite Pact with Fascist Italy and Nazi Germany
This pact stated that if any of them should be attacked by another country not already involved in the war, they would assist each other.
https://www.history.com/topics/world-war-ii/hirohito-1 -
America gets involved in the war
America gets involved in this war because of the bombing of Pearl Harbor killing 2,403 people.
https://www2.gwu.edu/~erpapers/teachinger/glossary/world-war-2.cfm -
A plutonium implosive device, known as "The Gadget," detonates successfully in the Trinity test at Alamogordo, New Mexico.
The Trinity Test was a code name for the first explosion of a nuclear weapon.
This test was designed to test the bomb called "Fat Man." https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
The 509 Composite Group begins flying practice over Japan.
The 509 Composite Group was a weapon delivery arm of the Manhattan Project (research and development related to WWII).
https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
The bomb, "Little Boy," was assembled and ready for use.
The bomb was 9,700 lbs in all and had a length of 10ft. In a few days, this will be used to bomb Hiroshima. https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
A typhoon approaching Japan prevents launching an attack with Little Boy.
Because of this, the bombing was postponed for a later date. Several days were required for the weather to clear.
https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
General Curtis LeMay officially confirms the mission for the next day.
The bombs, "Little Boy" and "Fat Man," are then loaded up onto the plane, ready for what comes next.
https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
America drops a uranium atomic bomb known as the “Little boy” on Hiroshima at 8:16 am. (Hiroshima time)
This was the first atomic bomb to be used in a war. The main reason for this decision is that it was an easy way to conclude the war without suffering as many losses. (On America's side) https://www.washingtonpost.com/news/worldviews/wp/2015/08/09/what-nagasaki-looked-like-before-and-after-the-bomb/?noredirect=on&utm_term=.1027ba8cc50e -
A message to Vice Chief of the Imperial Army General Staff Torashiro Kawabe reports: “The whole city of Hiroshima was destroyed instantly by a single bomb.
Kawabe writes in his diary that he was “shocked tremendously,” but that the "Imperial Army must continue to resist.” https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
Three days after the incident, the atomic bomb “Fat Man” was dropped on Nagasaki at around 9:15 am (Hiroshima time)
In all, these two bombs killed around 40,000-80,000 people, though the number is not exact.
"Fat Man" weighed around 10,800 lbs, almost 2,000 pounds more than "Little Boy".
https://www.washingtonpost.com/news/worldviews/wp/2015/08/09/what-nagasaki-looked-like-before-and-after-the-bomb/?noredirect=on&utm_term=.1027ba8cc50e -
President Truman decides to launch yet another atomic bomb but then decides against it during a cabinet meeting.
President Truman had said that he didn’t want to kill any more people, and especially not kids. -
The U.S secretary of state James Byrnes rejects Japan's conditional surrender.
His message states, “From the moment of surrender the authority of the emperor and the Japanese Government to rule the state shall be subject to the Supreme Commander of the Allied Powers.” while “the ultimate form of government of Japan shall be established by the freely expressed will of the Japanese people." The emperor, Hirohito is left powerless
https://www.atomicheritage.org/history/hiroshima-and-nagasaki-bombing-timeline -
Japan surrendered to the war.
Many continents had already started celebrating their victory as early as May, but in that time Japan was still fighting. The main reason for Japan's surrender was because the Soviet Union entered the war.
https://www.historyonthenet.com/when-did-ww2-2-end -
Japan signs the surrender documents, marking the end of the war.
Some people say that Japan would've surrendered even without the bomb, and others say that they would've surrendered after the first bomb, "Little Boy." https://www.historyonthenet.com/when-did-ww2-2-end -
At the end of this war, all the main cities in Japan except for Kyoto were destroyed.
More than 500 soldiers had committed suicide after Japan surrendered and hundreds of others were killed for committing war crimes.
https://www.japan-guide.com/e/e2124.html -
The national government adopts a “war disaster reconstruction plan”
General Douglas Macarthur started to take charge of rebuilding Japan. This plan was for rebuilding 119 war-devastated cities. (Including Hiroshima and Nagasaki.)
http://atomicbombmuseum.org/4_ruins.shtml -
The allies punish and reform Japan.
SCAP, (Supreme commander for the allied powers) helped rebuild Japan’s fields for farmers, and MacArthur helped transform the economy into a free market. Reforming Japan lasted throughout 1946 and ended in 1947.
https://history.state.gov/milestones/1945-1952/japan-reconstruction -
After WW2, the cold war started.
The cold war started because of America's fear of communist attacks and USSR's (United Socialist Soviet Republics) fear of America's atomic bomb. http://www.todayifoundout.com/index.php/2013/11/cold-war-start-end/
http://www.ushistory.org/us/52a.asp -
The city of Hiroshima decides to build a park as a memorial to peace.
Every year, from August 6- August 9, there's a memorial event in honor of everyone that died in the bombings in hopes that such destruction would never happen again.
https://www.nippon.com/en/features/h00141/hiroshima-peace-memorial-park.html
