Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
On a August morning in 1974, a young Frenchman strolled across a steel cable strung 1,350 feet above lower Manhattan.
A Norwegian scientist drifted 4,300 miles on a hand-lashed raft to prove ancient sailors could have done the same.
Forbidden from handing out promotions, Washington invented a heart of purple silk to honor the bravery of ordinary soldiers.
