Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
After years of debt and ridicule, Charles Goodyear patented the heat-and-sulfur process that finally tamed rubber.
A French physician transfused lamb's blood into a feverish teenager — the first recorded human transfusion, and a very risky one.
Cornered by rebel barons in a riverside meadow, England's King John fixed his seal to a charter that would outlive his crown.
