Nuclear Non-Proliferation Treaty
Only five powers are to keep nuclear weapons
On 1 July 1968 a treaty opened for signature in Moscow, Washington and London that recognised as nuclear powers only the five states that had tested a bomb before 1967: the US, the USSR, Britain, France and China. All other parties gave up nuclear weapons in return for access to peaceful nuclear energy.
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Meanwhile around the world (±25 years)
Europe
- 1953 Discovery of the DNA double helix — 15 years earlier
- 1968 May 1968 in France — same year
- 1974 Carnation Revolution — 6 years later
- 1989 Invention of the World Wide Web — 21 years later
- 1989 Fall of the Berlin Wall — 21 years later
Eastern Europe & Russia
- 1945 German surrender and Victory Day — 23 years earlier
- 1957 Sputnik 1, the first satellite — 11 years earlier
- 1961 Gagarin's flight — 7 years earlier
- 1985–1991 Perestroika — 17 years later
- 1989 Revolutions of 1989 — 21 years later
Middle East
- 1958 14 July Revolution in Iraq — 10 years earlier
- 1960 Founding of OPEC — 8 years earlier
- 1978 Camp David Accords — 10 years later
- 1979 Iranian Revolution — 11 years later
- 1980–1988 Iran–Iraq War — 12 years later
Africa
- 1960 Year of Africa — 8 years earlier
- 1963 The Organisation of African Unity is founded — 5 years earlier
- 1967 First human heart transplant — 1 year earlier
- 1967–1970 Nigerian Civil War and Biafra — 1 year earlier
- 1974 Lucy is discovered — 6 years later
Asia
- 1945 Atomic bombing of Hiroshima — 23 years earlier
- 1953 First ascent of Everest — 15 years earlier
- 1966–1976 Cultural Revolution in China — 2 years earlier
- 1970 Bhola cyclone — 2 years later
- 1975–1979 The Khmer Rouge and the Cambodian genocide — 7 years later
Americas
- 1962 Cuban Missile Crisis — 6 years earlier
- 1969 Moon landing — 1 year later
- c. 1970 Mass deforestation of the Amazon begins — 2 years later
- 1973 Chilean coup d'état — 5 years later
- 1983 Birth of the Internet: ARPANET adopts TCP/IP — 15 years later
Oceania
- 1954 The Castle Bravo test at Bikini — 14 years earlier
- 1959 The Antarctic Treaty — 9 years earlier
- 1992 The Mabo decision — 24 years later
Alive at the time
- Pablo Picasso (aged 87)
- Charlie Chaplin (aged 79)
- Mao Zedong (aged 75)
- Nelson Mandela (aged 50)
- Martin Luther King Jr. (aged 39)
- Neil Armstrong (aged 38)
- Yuri Gagarin (aged 34)
- Bertrand Russell (aged 96)
- Harry S. Truman (aged 84)
- Ho Chi Minh (aged 78)