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01/07/1946 The US drops atom bomb on Bikini atoll

The bomb was named Gilda after Rita Hayworth's character in the 1946 film Gilda, and was dropped from the B-29 Superfortress Dave's Dream of the 509th Bombardment Group. It detonated 520 feet (158 m) above the target fleet and caused less than the expected amount of ship damage because it missed its aim point by 2,130 feet (649 m).


  • Essentials 

  • Preparation 

  • Weapons tests 

  • Nuclear test detonations at Bikini Atoll 

  • Relocation issues 

  • Recovery of marine ecosystem 

  • Health impacts 

  • In popular culture