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Nuclear weapons states

Name the states that are known or believed to possess nuclear weapons.

You may give your answers in any order.

Results and stats
      • Year (test)
      • Country
      • Treaty
      • 1945 ("Trinity")
      •  
      • NPT
      • 1949 ("RDS-1")
      •  
      • NPT
      • 1952 ("Hurricane")
      •  
      • NPT
      • 1960 ("Gerboise Bleue")
      •  
      • NPT
      • 1964 ("596")
      •  
      • NPT
      • Year (test)
      • Country
      • Treaty
      • 1974 ("Smiling Buddha")
      •  
      • non-NPT
      • 1998 ("Chagai-I")
      •  
      • non-NPT
      • 2006
      •  
      • non-NPT
      • possibly 1979
      •  
      • undeclared

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