Manhattan Project (oct 11, 1939 – dec 31, 1946)
Description:
A secret, 2 billion dollar budget project that researched and built 3 atomic bombs meant to end World War II. It was originally started by Franklin Roosevelt and Harry Truman finished it.Added to timeline:
Date:
oct 11, 1939
dec 31, 1946
~ 7 years and 2 months
