Manhattan Project was a secret plan of the United States to develop the atomic bomb during World War II. The scale and complexity of this plan were unprecedented, thus attracting widespread attention. So, when did the Manhattan Project actually begin? Let's explore it together.

In 1942, President Roosevelt of the United States announced a secret plan named "Manhattan Project", aimed at developing the atomic bomb. This plan was organized by the US government, bringing together a team of scientists, engineers, and other experts who collectively formulated three critical plans, known as the three major plans of the Manhattan Project. These plans ultimately led to the commencement of the Manhattan Project.

The core of the Manhattan Project was the development of the atomic bomb. During this project, scientists and engineers designed the basic principles and manufacturing processes of the atomic bomb, overseeing the conduct of experiments. In 1945, they successfully manufactured an atomic bomb that could be used in actual combat. The success of this plan laid the foundation for the ultimate victory of the Manhattan Project.

In summary, the Manhattan Project began in 1942. This plan was jointly formulated by a team of scientists, engineers, and other experts organized by the US government. The core of the Manhattan Project was the development of the atomic bomb, which ultimately led to the commencement of the project.

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