-
The United States set up the Manhattan Project to develop the first nuclear bomb. It employed more than 130,000 people and it cost 2 billion US dollars.
-
The US drops a uranium bomb over the Japanese city called, Hiroshima, it killed more than 14,000 people within months of the attack. Other died later from radiation-related illnesses.
-
The U.S. detonates a 17 megaton hydrogen bomb, "Bravo", at Bikini Atoll in the Pacific Ocean. It contaminated a Japanese fishing boat and residents of Rongelap and Utirki
-
A stand off begins when the U.S. discovered Soviet missiles in Cuba. The U.S. blockades Cuba for 13 days, this brings them to the brick of nuclear war.
-
A nuclear test explosion occurs over the South Indian Ocean off the Cape of Good Hope. It is believed to have been conducted by South Africa with the help of Israel.
-
Ronald Reagan and Soviet President Mikhail Gorbachev meet at Reykjavik, Iceland, where they discuss the possibility of reaching nuclear abolition.
-
The Comprehensive Nuclear Test Ban Treaty opens for signatures at the United Nations. China, France, the UK, Russia and the US sign the treaty. India says they will not sign the treaty.
-
The North Korean government declares that it has successfully conducted a nuclear test, becoming the eight country in the world to do so.
-
The Norwegian government hosts the first-ever intergovernmental conference to examine the humanitarian impact of nuclear weapons, they bring together diplomats from over 128 states.
-
Following weeks of negotiations, two-thirds of the world’s nations vote to adopt the landmark UN Treaty on the Prohibition of Nuclear Weapons.
