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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.


Breaking the Code: The Enigma Has To Be Broken

36:49 - 39:24
2m 35s

Patricia, a cryptanalyst, introduces Alan Turing to the Engima machine and explains how it works. Alan is tasked with breaking the Enigma machine so that the Allies could read the intercepted German messages during World War II.

Clips