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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. The Manhattan Project employed nearly 130,000 people at its peak and cost nearly US$2 billion (equivalent to about $28 billion in 2024).
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Manhattan Project | Active | 1942–1946 | 1.00 | infobox |
| Manhattan Project | Anniversaries | 13 August 1942 | 1.00 | infobox |
| Manhattan Project | Branch | Corps of Engineers | 1.00 | infobox |
| Manhattan Project | Country | United States | 1.00 | infobox |
| Manhattan Project | Country | United Kingdom | 1.00 | infobox |
| Manhattan Project | Country | Canada | 1.00 | infobox |
| Manhattan Project | Disbanded | 15 August 1947 | 1.00 | infobox |
| Manhattan Project | Engagements | Allied invasion of Italy | 1.00 | infobox |
| Manhattan Project | Engagements | Allied invasion of France | 1.00 | infobox |
| Manhattan Project | Engagements | Allied invasion of Germany | 1.00 | infobox |
| Manhattan Project | Engagements | Atomic bombings of Hiroshima and Nagasaki | 1.00 | infobox |
| Manhattan Project | Engagements | Allied occupation of Japan | 1.00 | infobox |
| Manhattan Project | Headquarters | Oak Ridge, Tennessee, U.S. | 1.00 | infobox |
| Manhattan Project | Notable commanders | James C. Marshall | 1.00 | infobox |
| Manhattan Project | Notable commanders | Kenneth Nichols | 1.00 | infobox |
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