July 16, 1945 – Trinity test, world’s first atomic bomb

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 Atomic Age Begins

Jumbo” atomic device being positioned

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Atomic Age Begins

On July 16, 1945 the United States tested a nuclear device, code named “Trinity”, for the first time in White Sands Proving Ground, New Mexico.

Left: [“Jumbo” atomic device being positioned for “Trinity” test at Alamogordo, New Mexico.], 1945

Right: [“Trinity” explosion], 07/16/1945

Source: research.archives.gov

Related articles

• Trinity+67 Years: the Explosion of the First Atomic Bomb, Alamogordo, New Mexico, 1945 (longstreet.typepad.com)
• Trinity, July 16, 1945 (sandwalk.blogspot.com)
• July 16, 1945: Trinity Blast Opens Atomic Age (wired.com)
• Dinosaurs of the Atomic Age! (blogs.scientificamerican.com)
• James B. Conant on Trinity (1945) (nuclearsecrecy.com)
• Weatherwatch: Mushroom-shaped clouds and their causes (guardian.co.uk)
• Nuclear Explosions – I am become Death [34 Pics] (amazfacts.com)

Rare color photograph of the first nuclear test at Trinity site, July 16, 1945. Blurriness is in the original photograph (done when color photography was still fairly new). (Photo credit: Wikipedia)