Manhattan Project (1 ene 1939 año – 31 dic 1946 año)
Descripción:
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada.
Añadido al timeline:
fecha:
1 ene 1939 año
31 dic 1946 año
~ 8 years