🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ284681· pop 28· linked from 500 articlesChicago Pile-1world's first nuclear reactor to achieve criticality, part of the Manhattan Project, the Allied effort to create atomic bombs during World War IIConnectionsnuclear weaponEntityChicagoEntityCategories1942 establishments in Illinois1942 in Illinois1942 in the United States20th century in ChicagoArgonne National LaboratoryChicago LandmarksEnergy infrastructure on the National Register of Historic PlacesEnrico FermiGraphite moderated reactorsHistory of the Manhattan ProjectInfrastructure completed in 1942National Historic Landmarks in Chicago