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Nuclear Fission Discovered
German scientists discovered something new. This "something" was nuclear fission. This discovery was published in a journal called "Nature." This was published by O. Hahn and F. Strassman. Picture found on http://commons.wikimedia.org/wiki/File:Fission_chain_reaction.svg http://www.ww2sci-tech.org/timeline/timeline.html -
Letter to the President
On this date, a letter was written to President Roosevelt from scientist Albert Einstein. This was concerning a bomb threatfrom Germany. A group of scientist told Einstein to warn him about this incident. These scientist included Eugene Wigner, Leo Szilard, and Edward Teller. Picture found on
http://commons.wikimedia.org/wiki/File:Albert_Einstein_Head.jpg <a href='http://www.ww2sci-tech.org/timeline/timeline.html' -
Hitler broke the treaty
Hitler made a peace treaty with Denmark. This was meant to be a treaty so they would all protect each other. Although, this treaty was broken, as Hitler went across the borders of Denmark. This made the leader of Norway a traitor. http://www.cyberlearning-world.com/lessons/ushistory/ww2/europeantheater.htm -
Blitzkrieg against Holland and Belgium
On this date, the dictator of Germany sent over 100 divisions against these countries, known as a blitzkrieg. This was due to fear that the British would attack Germany. Four days later, Rotterdam was bombed, and the queen fled to England. Many other incidents then occurred until the Dutch finally gave up. Link -
Germany vs.
On this date, Germany, trying to defend the Germans of Yugoslavia, attacked the country. Hitler was behind this decision. At this point, the country being attacked was very strong. Also, Italy and Albania were against each other at that point. Picture found on
http://upload.wikimedia.org/wikipedia/commons/e/e3/Germany_map_modern.png
Link
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Manhattan Project Started
A big project was started in order to research and make an atomic bomb. This was called the Manhattan Project. This cost over 2 billion dollars for employment expenses. This is the biggest research and development project to this day. Picture found on http://commons.wikimedia.org/wiki/File:Manhattan_Project_emblem.png http://www.ww2sci-tech.org/timeline/timeline.html -
Pearl Harbor is attacked
On this date, America was attacked. The attacker was Japan, and they bombed one of America's fleets. The location of the fleet was in Pearl Harbor, Hawaii. As shown by the picture, it was one dreadful sight. Picture found on http://upload.wikimedia.org/wikipedia/commons/1/1f/USS_California_sinking-Pearl_Harbor.jpg
http://www.ww2sci-tech.org/timeline/timeline.html -
Nuclear program left
On this date, the nuclear weapons program in Germany was ditched. Although, the Allies of Germany had no idea about this decision made by Hitler. Hitler called physics "the Jewish science," because of the huge amount of physicists that were German Jews at that time. Most of those Jews at that time were in exile. http://www.ww2sci-tech.org/timeline/timeline.html -
Atomic Pile
On this date, a new discovery was made in the Manhattan project, as an atomic pile was assembled. This was made possible by two scientists by the names Enrico Fermi and Arthur Compton. This was such a huge accomplishment becuase it could produce energy and plutonium. Plutonium was a new element at the time. http://www.ww2sci-tech.org/timeline/timeline.html -
"Unconditional Surrender"
A new policy was created around this point in time. This was the "Unconditional Surrender Policy," and it applied in the U.S. Made by U.S. President Roosevelt, it said that America will only receive an unconditional surrender from the countries of Japan and Germany. This probably meant that if one surrendered, it had to be a surrender, and nothing else. http://www.ww2sci-tech.org/timeline/timeline.html -
British Window Used
In Great Britain, a type of reflective metal was starting to be used. This metal was called "window," and it was used to clear the air of German radar signal. It was used for the first moment in Hamburg on this date and the day after it. As you can see by the picture, the metal was quite opaque. http://www.ww2sci-tech.org/timeline/timeline.html -
D-Day
On this date, the Allies landed in Normandy, France. They landed on many beaches including Omaha, where the worst fighting took place. Other beaches included Juno, Gold, Sword, and Utah. They fought against France, and eventually made their capital fall. Picture found on
http://commons.wikimedia.org/wiki/File:416thbg-a20-d-day.jpg http://www.cyberlearning-world.com/lessons/ushistory/ww2/europeantheater.htm -
An Agreement about the Atomic Bomb
On this date, the atomic bomb was not an available weapon yet. That did not stop President Roosevelt and Winston Churchill on agreeing to use this against Japan. They agreed on this secretly. They kept the agreement away from the Soviet Union. http://www.ww2sci-tech.org/timeline/timeline.html -
U.S. firebombed Tokyo
On this date, the U.S. firebombed Tokyo. Many of Tokyo's civilians were killed. This number rose to around 100,000. As you can see by the picture, there was much damage caused by this occurance. -
The U.S. President dies
On this date, President Roosevelt was pronounced dead. As the vice president becomes the president in case of this happening, Harry Truman became president. There was a problem, though. He did not know about the project with the bomb. Picture found on
http://commons.wikimedia.org/wiki/File:FDR_in_1933_edit.jpg
(license on page) http://www.ww2sci-tech.org/timeline/timeline.html -
Phase "Olympic"
On this date, the first phase of the U.S. plan to invade Japan is made. The meeting where this happened was at the White House. The phase was planned to have started on November of 1945. Kyushu was the place where it would take place. http://www.ww2sci-tech.org/timeline/timeline.html -
Truman's consent
On this date, the new U.S. president Truman gave the consent to use an atomic bomb to the Secretary of War. They were to use this against Japan. The bomb was approved after it was tested further. Truman also said to let the bomb go "no sooner than August 2." http://www.ww2sci-tech.org/timeline/timeline.html -
U.S. puts bomb on Japan
On this date, an atomic bomb was finally planted against Japan. This bomb landed in Hiroshima, and killed a numerous amount of people. This number was around 140,000. The explosion was huge, and very deadly. Picture found on
http://commons.wikimedia.org/wiki/File:Al_Fathah_Air_Field_Iraq_Explosion.jpg -
Second Atomic Bomb laid on Japan in Nagasaki
On this date, a second bomb was laid on Japan by the U.S. This bomb happened to land on Nagasaki. It killed around 50,000 people. This event happened to follow the bombing of Hiroshima, both being successful. http://commons.wikimedia.org/wiki/File:USAF_EOD_explosion.jpg -
Victory for the U.S.
On this date, Japan surrendered from the war. This happened when on the USS Battleship Missouri. After two atomic bombs being dropped on their country, the victory went to the U.S. As you can see in the picture, this was quite a wim for the U.S. Found on
http://upload.wikimedia.org/wikipedia/commons/9/91/American_military_personnel_gather_in_Paris_to_celebrate_the_Japanese_surrender.jpg http://www.ww2sci-tech.org/timeline/timeline.html
