France became the fourth nation to possess nuclear weapons on February 13, 1960, when the atomic bomb Gerboise Bleue was detonated in Algeria,[REF] then still a French colony [Formally a part of the Metropolitan France.]
The People's Republic of China became the fifth nuclear power on October 16, 1964 when it detonated a 25 kiloton uranium-235 bomb in a test codenamed 596[REF] at Lop Nur.