Comment by b65e8bee43c2ed0

2 days ago

United States 1945

Soviet Union 1949

United Kingdom 1952

France 1960

China 1964

Israel 1966

India 1974

South Africa 1979

Pakistan 1998

North Korea 2006

also https://en.wikipedia.org/wiki/Nuclear_latency

also, see what Ukraine and Iran got for their "restraint".