Usa become the first nation that developed nuclear bomb.16 july1945
Era of nuclear weapons started.
"Little boy" atom bomb explosion on heroshima
"Fat man "atom bomb explosion on Nagasaki.
"First lightning " USSR first atom bomb. In 1949 USSR become second nuclear weapon country in the world.
"Operation hurricane" united kingdom first atom bomb . Uk become third nuclear weapon country.
" Gerboies bleus" is a france first nuclear bomb. france become a 4th country which have a nuclear weapon technology.
China become 5th nuclear weapons country in the world . China atomb bomb project codename is "596"
India's first atome bomb project name is " smiling budhha" .