Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
In the White House East Room, two superpowers agreed for the first time to destroy an entire class of nuclear missiles.
The former Beatle was killed by an obsessed fan at the Dakota, sparking worldwide mourning.
In 1854, a pope reading a Latin bull in St. Peter's made a centuries-old belief about Mary binding for every Catholic.