Manhattan Project (13 h 38 m, 21 feb 1939 año – 9 h 2 m, 31 dic 1946 año)
Descripción:
This was a research project in New York city during 1939, where the United States was researching how to make the first nuclear bomb. This was important because without this we wouldn't have ended WW 2 as early.
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Timeline assignment
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