9 | 2017
Trump’s comments on climate change and nuclear proliferation
8 | 2015
Climate
change and
nuclear
weapons
modernisation
7 | 2007
North Korea conducts
nuclear test
6 | 1998
India and
Pakistan
test nuclear weapons
5 | 1991
End of cold
war
3 | 1974
India tests its first nuclear device
4 | 1981
Soviet war in Afghanistan
continues
2 | 1953
US tests first hydrogen
bomb
1 | 1949
USSR’s first nuclear test
The clock is assessed annually in response
to events in the preceding year
7 | 2007
North Korea conducts
nuclear test
6 | 1998
India and
Pakistan
test nuclear weapons
8 | 2015
Climate change and nuclear
weapons
modernisation
9 | 2017
Trump’s comments on climate change and nuclear
proliferation
1 | 1949
USSR’s first nuclear test
2 | 1953
US tests first hydrogen
bomb
4 | 1981
Soviet war in Afghanistan
continues
5 | 1991
End of cold
war
3 | 1974
India tests its first nuclear device
The clock is assessed annually in response to events in the preceding year