Cold War

At the end of World War II, a rivalry began between the United States and the Soviet Union called the Cold War. The Cold War was characterized by a fight between democracy and communism with a constant threat of nuclear war.

Manhattan Project (9)

The Berlin Wall
On August 13, 1961, the East German government erected the Berlin Wall in order to keep its citizens from fleeing to the West. For 28 years, the Berlin Wall separated West from East and became a symbol of the Cold War. Learn more about the rise and fall of the Berlin Wall.

Fidel Castro
In the late 1950s, Fidel Castro took control of Cuba by force and has remained its dictatorial leader for over four decades. As the leader of the only communist country in the Western Hemisphere, Castro has been the focus of international controversy. Find out more about Castro in this biography.

Enrico Fermi
Enrico Fermi made important discoveries about the atom which led to the splitting of the atom (atomic bombs) and the harnessing of its heat into an energy source (nuclear energy).

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