Manhattan Project (13h 38min, feb 21, 1939 y – 9h 2min, dec 31, 1946 y)
Description:
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.Added to timeline:
Date:
13h 38min, feb 21, 1939 y
9h 2min, dec 31, 1946 y
~ 7 years and 10 months