February 23

This Day in History


Mysterious Supernova Seen With Naked Eye

On this day in 1987, the supernova SN 1987A exploded into view of Earth, having travelled across space from a galaxy 168,000 light-years away. It was discovered by 30-year-old astronomer Ian Shelton, … (more...)


Spanish rebels storm Parliament

In Spain, Lieutenant Colonel Antonio Tejero and 200 members of the civil guard burst into the Cortes in Madrid, firing shots into the air as they take the democratic government of Spain hostage. The … (more...)


Gutenberg Bible Published

This day in 1455 is considered the date of the original publication of the Gutenberg Bible–Europe’s first mass-produced book. The printing of the Gutenberg Bible is one the most important advances in w … (more...)