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Jefferson Memorial
President Roosevelt dedicated a memorial to Thomas Jefferson to remind people about the impact that he had on America. -
Atomic Bomb on Hiroshima
The United States dropped an atomic bomb on Japan after refusing to surrender. Three days later, another atomic bomb dropped on Nagasaki. -
Roosevelt Dies
President Roosevelt passes away and Harry Truman then becomes president. -
Central Intelligence Agency
The Central Intelligence Agency (CIA) was established in 1947 by Harry S. Truman. The CIA generally gathers, processes, and analyzes national security information around the world. -
The Marshall Plan
The Marshall Plan was a plan to help give fifteen billion dollars to Western European countries after World War II to help rebuild their economy. -
22 Amendment
The 22nd Amendment was ratified in 1951. This amendment puts a limit on how long a president can remain in office, restricting the length of time one person can be in power. -
First Hydrogen Bomb
On November 1, 1952, the United States was first to successfully test and explode a hydrogen bomb. The bomb was named, "Mike" and it was detonated on the Eniwetok Atoll in the Pacific Marshall Islands. -
Dwight D. Eisenhower
Dwight D. Eisenhower becomes the new president of the United States of America in 1953.