The Hydrogen Bomb and the Nuclear Arms Race

  • First American Thermonuclear Detonation

    The first full-scale thermonuclear detonation occured at Eniwetok atoll in the Pacific, set off by the United States. Is approximately 1000 times more powerful than the atomic bomb. Used the Teller-Ulam design, created by Edward Teller and Stanislaw Ulam, with the help of Josh von Neumann. Opposed by Robert Oppenheimer
  • First Soviet Thermonuclear Test

    RDS-6s or Joe 4, the authenticity of this as a true hydrogen bomb is disputed. Testing occured at Semipalatinsk Test Site, Kazakhstan. Developed by Andrei Sakharov and Vitaly Ginzburg
  • First True Soviet Hydrogen Bomb Test

    RDS-37 was the first "true" hydrogen bomb. It was air-dropped in Semipalatinsk Test Site, Kazakhstan, making it the first air-dropped two-stage thermonuclear test
  • First British Hydrogen Bomb

    Under William Penney, the first British Hydrogen Bomb was built and tested.
  • First Chinese H-Bomb Detonation

  • Reported Indian Thermonuclear Detonation