Hydrogen Bomb

Timeline created by TJandDevon
  • The Manhattan Project

    The Manhattan Project
    The US sets up the Manhattan Project to develop the first nuclear weapon. It eventually employs more than 130,000 people and costs US$2 billion ($25 billion in 2012 dollars).
  • First Nuclear Bomb Tested

    First Nuclear Bomb Tested
    The US government tests its first nuclear weapon, code-named “Trinity”, in New Mexico. Its yield equals 20,000 tonnes of TNT.
  • First Nuclear Bombs Used In War

    First Nuclear Bombs Used In War
    First ever bombs used in war were called the "Fatman" and "Little Boy". The Little Boy was dropped on Hiroshima, and the Fatman was dropped on Hiroshima. 150,000 people were killed by the bombs as soon at the explosion went of, and over 300,000 more were killed form the aftereffects.
  • The United Kingdom

    The United Kingdom
    The United Kingdom authorizes the development of nuclear weapons.
  • Atomic Tests

    Atomic Tests
    U.S. conducts atomic tests at Eniwetok Atoll.
  • The Development of The Hydrogen Bomb

    The Development of The Hydrogen Bomb
    President Truman announces the decision to proceed with development of the hydrogen bomb.
  • British Nuclear Reactor

    British Nuclear Reactor
    First British nuclear reactor goes critical.
  • US tests the first hydrogen bomb

    The US raises the stakes in the nuclear arms race by detonating the first hydrogen bomb at Enewetak Atoll in the Marshall Islands. It is 500 times more powerful than the Nagasaki bomb.
  • First British Hydrogen Bomb

    First British Hydrogen Bomb
    The first British atomic bomb was tested at Monte Bello Islands, Australia, with a yield of 25 kilotons.
  • U.S. Polaris

    U.S. Polaris
    The first U.S. Polaris nuclear missile-capable submarine enters into service.
  • China's First

    China's First
    China explodes its first atomic bomb at the Lop Nur test site. It was an uranium 235 implosion fission device named "596" and has a yield of 22 kilotons.
  • The U.S. successfully tests a neutron bomb

    The U.S. successfully tests a neutron bomb
    The primary lethal effects of a neutron bomb, also known as an enhanced-radiation weapon, come from the radiation damage caused by the neutrons it emits.
  • President Bill Clinton signs the National Missile Defense Act

    President Bill Clinton signs the National Missile Defense Act
    He says threat, cost, technological status of national missile defense and adherence to a renegotiated ABM treaty are the four criteria in making his decision to deploy such a system.