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Franklin D. Roosevelt Presidency
Franklin Delano Roosevelt, often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. -
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World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a global war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies and the Axis powers -
Jefferson Memorial
The Jefferson Memorial in Washington, D.C. is dedicated on the 200th anniversary of Thomas Jefferson's birth by President Franklin D. Roosevelt. -
Tehran Conference
The Tehran Conference is held for three days, concluding in an agreement between U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Soviet leader Josef Stalin about a planned June 1944 invasion of Europe with the code name Operation Overlord. -
D-Day
Allied soldiers stormed the beaches of France to begin the World War II invasion of Europe that would lead to the liberation of Paris. Operation Overlord gained footing quickly, pushing through the Atlantic Wall in the largest amphibious military operation in history. -
Port Chicago Incident
Two ships loading ammunition at Port Chicago Naval Weapons Station in California explode. The accident killed three hundred and twenty people -
Battle of Okinawa
American troops invade Okinawa, beginning the Battle of Okinawa, which would continue until June 21 -
President Roosevelt Dies
President Roosevelt dies suddenly; Vice President Harry S. Truman assumes the presidency and role as commander in chief of World War II. -
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Harry S. Truman Presidency
Harry S. Truman was the 33rd president of the United States, serving from 1945 to 1953. A lifetime member of the Democratic Party, he previously served as a US Senator from the State of Missouri from 1935 to 1945. -
Germany Surrenders
The unconditional surrender of Germany at Reims, France concludes the military engagements of World War II in Europe. -
Philippines is Independent
The island nation of the Philippines is given their independence by the United States. -
Hiroshima
President Harry S. Truman gives the go-ahead for the use of the atomic bomb with the bombing of Hiroshima. -
Nagasaki
The second bomb is dropped on Nagasaki, Japan. On August 15, Emperor Hirohito of Japan surrenders. -
Truman Doctrine
The Truman Doctrine is announced to the U.S. Congress. When passed it would grant $400 million in aid to Greece and Turkey to battle Communist terrorism. -
Marshall Plan
Secretary of State George C. Marshall proposes aid extension to European nations for war recovery which would lead to Congressional approval of $12 billion over the following four years. -
USSR Blockades
The Soviet Union begins its land blockade of the Allied sectors of Berlin, Germany. -
NATO
The North American Treaty Organization, is formed by the United States, Canada, and ten Western European nations. The treaty stated that any attack against one nation would be considered an attack against them all. -
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Korean War
The Korean War begins its three-year conflict when troops of North Korea, backed with Soviet weaponry, invade South Korea. This act leads to U.S. involvement when two days later, the United States Air Force and Navy are ordered by President Truman to the peninsula. -
Transcontinental TV
The inauguration of trans-continental television occurs with the broadcast of President Truman's speech at the Japanese Peace Treaty Conference in San Francisco. -
First Hydrogen Bomb
At Eniwetok Atoll in the Pacific Ocean, the first hydrogen bomb, named Mike, is exploded. -
DNA
The description of a double helix DNA molecule is published by British physicist Francis Crick and American scientist James D. Watson. They, along with New Zealand born scientist Maurice Wilkins, were awarded the Nobel Prize in Physiology or Medicine for their discovery in 1962.