The Manhattan Project (13 agos 1942 año – 15 agos 1945 año)
Descripción:
The Manhattan Project was a research and development project that produced the first nuclear weapons. it was led by the U.S., but it had backing from the United Kingdom and Canada.Añadido al timeline:
fecha:
13 agos 1942 año
15 agos 1945 año
~ 3 years