John Mathewson
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The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada. From 1942 to 1946, the project was directed by Major General Leslie Groves of the U.S. Army Corps of Engineers.
Jun 14, 2024 · The first atomic bomb was detonated on July 16, 1945, in New Mexico as part of the U.S. government program called the Manhattan Project. The United States then used atomic bombs on Hiroshima and Nagasaki in Japan on August 6 and 9, respectively, killing about 210,000 people.
Jul 26, 2017 · The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II.
Jul 21, 2023 · The Manhattan Project was a top-secret program to make the first atomic bombs during World War II. Its results had profound impacts on history: the subsequent nuclear...
The Manhattan Project was the US government program during World War II that developed and built these first atomic bombs. Detonation of these first nuclear bombs signaled arrival of a frightening new Atomic Age.
Manhattan Project, (1942–45) U.S. government research project that produced the first atomic bomb. In 1939 U.S. scientists urged Pres. Franklin D. Roosevelt to establish a program to study the potential military use of fission, and $6,000 was appropriated.
The Manhattan Project had its origins in 1939, when U.S. scientists urged President Franklin D. Roosevelt to establish a program to study the potential military use of fission; $6,000 was appropriated for the task.
