On this day in, The Soviet Union detonates the hydrogen bomb Tsar Bomba, the largest explosive device ever detonated in a nuclear test.
On this day in 1995, Quebec remained a province of Canada after citizens narrowly voted 50.58% to 49.42%.
On this day in 2004, a powerful earthquake hit northern Japan, killing 35 people, injuring 2,200, and leaving 85,000 homeless or evacuated.