- Henry Ford organizes Ford Motor Company.
- The Wright brothers make their first flight at Kitty Hawk, North Carolina.
- The first box of Crayola crayons was made and sold for 5 cents. It contained 8 colors.
- Cuba leases Guantanamo Bay to the United States "in perpetuity".
- The first Tour de France, Maurice Garin wins.
- Pope Pius X succeeds Pope Leo XIII as the 257th pope.
Historical Highlights from 1903: