Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
On July 9, 1979, Voyager 2 swept past Jupiter, confirming erupting volcanoes on Io and a faint ring around the giant planet.
A little-known commercial illustrator turned a supermarket staple into a manifesto, and Pop art arrived almost unnoticed.
In 1958 a rockslide into an Alaskan inlet threw water 524 metres up a mountainside.
