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Executive Order 9066
Franklin D. Roosevelt signs an executive order to confining over 100,000 Japanese Americans, the majority being U.S. citizens, to the West Coast in relocation camps. -
Period: to
Battle of Midway
The United States gave Japan their first major defeat of the war. -
Atomic Bomb
Winston Churchill and Franklin Roosevelt sign off on the development of the first atomic bomb. -
Guadalcanal
The U.S. Marines conduct the first American offensive naval battle at Guadalcanal. -
Jefferson Memorial
The Jefferson Memorial is dedicated on Thomas Jefferson's 200th birthday. -
Operation Overload
Operation Overload is planned by Winston Churchill, Josef Stalin, and Franklin Roosevelt. -
D-Day
American and Allied troops storm the beaches of France in what is known as D-Day. -
Presidential Election
Franklin Roosevelt wins re-election for fourth term as President. -
Iwo Jima
U.S. troops land in Iwo Jima/ -
Bombing of Berlin
1,250 American bombers attack Berlin. -
Okinawa
U.S. troops invade Okinawa. -
Harry Truman
Vice President Harry Truman becomes President after the death of President Roosevelt. -
Surrender
Germany surrenders in Reims, France ending WWII in Europe. -
Trinity Test
The Trinity Test, the first atomic bomb, was tested in New Mexico. -
Hiroshima
President Truman signs off on bombing Hiroshima. -
Nagasaki
U.S. drops the second bomb on Nagasaki. -
Surrender
Japan surrenders in WWII after the bombing of Nagasaki. -
United Nations
The United Nations meet for the first time. -
NBA
The National Basketball Association is founded. -
Philippines
The United States gives the Philippines their independence. -
Jackie Robinson
Jackie Robinson debuts in the MLB for the Dodgers, becoming the first colored player to play in the MLB. -
Theodore Roosevelt State Park
Theodore Roosevelt State Park is constituted. -
Truman Doctrine
President Truman implements the Truman Doctrine. -
Executive Order 9981
President Truman signs Executive Order 9981 terminating segregation. -
Presidential Election
Presidential Truman defeats Thomas Dewey in his re-election for President. -
James Gallagher
James Gallagher completes the first non-stop flight around the globe. -
NATO
Western Europe, U.S., and Canada form the North American Treaty Organization. -
Census
American population is over 150 million for first time. -
Korean War
North Korea invades South Korea to start the Korean War. -
Presidential Election
Dwight Eisenhower goes to Korea in an attempt to end the conflict. -
Dwight Eisenhower
Dwight Eisenhower goes to Korea in an attempt to end the conflict. -
DNA Double Helix
Francis Crick and James Watson publish their findings of the DNA double helix. -
Korean War
The Korean War ends
