Science, Inventions, Random Facts, Daily FactsCuriousOneJanuary 19, 2015Fact, Trinity, United, Weapon, States, Nuclear, Verified, staycurious, Facts, Detonated, first, Site, TestComment The first nuclear weapon was detonated as a test by the United States at the Trinity site Science, Inventions, Random Facts, Daily FactsCuriousOneJanuary 19, 2015Fact, Trinity, United, Weapon, States, Nuclear, Verified, staycurious, Facts, Detonated, first, Site, TestComment