Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
An eight-storey wall of Atlantic water, ratified frame by frame.
A single 70-metre antenna outside Canberra is the only place on the planet that can send commands to Voyager 2.
In 1969, the first words ever sent between two computers were cut short by a crash, leaving an accidental "lo."
On October 29, 1929, a record 16 million shares changed hands as Wall Street collapsed, wiping out fortunes and opening the Great Depression.
On a single autumn day in 1675, a stretched letter S quietly became one of mathematics' most recognisable symbols.
