This Day, That Year – December 21

Scientists Pierre and Marie Curie discovered radium on this day in 1898.

Did you know that:

• Jean-Henri Fabre was a French naturalist, entomologist, and author born on this day in 1823
• The first crossword puzzle (with 32 clues) was printed in New York World on this day in 1913
• Samuel L. Jackson is an American actor and producer born on this day in 1948