Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
In a small Dutch city, twelve nations signed the document that turned a common market into the European Union—and put a single currency on the map.
For 20 years Pluto rode closer to the Sun than Neptune, briefly demoting the giant to the outermost planet.
A transatlantic flight, thousands of screaming fans, and a haircut heard round the world—Beatlemania touched down at JFK.