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American History (1800s - 1900s)

Official 124 clips

This playlist provides clips that illustrate key concepts in American History in the 1800s and 1900s.


Fat Man and Little Boy: Testing of the Atomic Bomb

00:00 - 02:12
2m 12s
J. Robert Oppenheimer, chief scientist of the Manhattan Project, tests with his team the first atomic bomb. The test is successful.

Clips