Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
Two men in a steel sphere sank for nearly five hours to touch the bottom of the Mariana Trench, then waited to rise.
On a January day in 1957, a humble plastic disc rolled off a factory line and quietly launched a global pastime.
Admitted as a joke and graduated at the top of her class, she opened American medicine to women.
