Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
A Vermont inventor won the first U.S. patent for manufacturing sandpaper, formalizing an abrasive that woodworkers still reach for daily.
In a single page read to the Royal Astronomical Society, Babbage proposed grinding out error-free mathematical tables by machine.
On June 14, 1777, the Continental Congress adopted the Stars and Stripes, a date now honored as Flag Day.
