1.
1949
2.
1952
USSR’s first
nuclear test
US tests first
hydrogen
bomb
3.
1991
4.
1998
End of
cold war
India and
Pakistan
tit-for-tat
nuclear tests
6.
2015
5.
2006
North Korea
conducts
nuclear test
Climate change
and nuclear
weapons
modernisation
7.
2018
8.
2020
Failure of
world leaders
to address
threats to
humanity
Erosion of
nuclear arms
control and
inadequate
climate change response
9.
2023
Mounting nuclear risks in Ukraine war
1.
1949
2.
1952
3.
1991
USSR’s first
nuclear test
US tests first
hydrogen
bomb
End of cold war
4.
1998
5.
2006
6.
2015
India and Pakistan
tit-for-tat nuclear
tests
North Korea
conducts
nuclear test
Worsening
climate change
and nuclear
weapons
modernisation
7.
2018
8.
2020
9.
2023
Failure of world
leaders to address
threats to
humanity
Erosion of nuclear
arms control and
inadequate
climate change
response
Mounting
nuclear
risks in
Ukraine war