Robert Goddard demonstrated tube-launched solid propellant rockets on this day in 1918.

Did you know that:

• Pierre Gassendi observed the first ever transit of Mercury predicted by Kepler on this day in 1631
• Marie Curie was a Polish and naturalized-French physicist and chemist born on this day in 1867
• Ella Yelich-O’Connor, known professionally as Lorde, is a New Zealand singer-songwriter born on this day in 1996