Global nuclear war was averted by the (in)action of one man
On this day in 1983, a missile defence technician in the then USSR didn't trust his instrumentation (or his superiors apparently) and failed to sound the alarm when his system reported missile launches by the USA
More bout the incident
More about the man
Growing up in Canada in the 1960s we were very aware as early as six years old that the world was under the threat of nuclear war. Few of us really believed we would live to see 30. But we did.
Thanks Stanislav!