On this day in 1962, workers at four New York City newspapers (later increased to nine) went on strike for 114 days.
On this day in 1980, John Lennon was murdered by Mark David Chapman in front of The Dakota in New York City.
On this day in 1991, the leaders of Russia, Belarus and Ukraine signed an agreement dissolving the Soviet Union and establishing the Commonwealth of Independent States.
On this day in 2010, Elon Musk’s SpaceX became the first private company to successfully launch, orbit and recover a spacecraft.