Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
In game one of a Philadelphia match, IBM's Deep Blue did what no machine had: defeat a reigning champion under tournament conditions.
On a frozen Berlin bridge, two captured agents walked past each other in silence as the Cold War's superpowers traded their spies.
Launched in 1906, one British warship was so advanced it renamed an entire class and instantly outdated every rival afloat.
Three crowns signed a single document in Paris and redrew the colonial map, handing Britain command of North America.