William Bullock received a patent for a continuous-roll printing press on this day in 1863.

Did you know that:

• B. R. Ambedkar was an Indian jurist and economist born on this day in 1891
• The RMS Titanic, the world’s largest ocean liner, hit an iceberg and sunk in the early morning hours of this day in 1912
• Stacy G. Carkhuff of Firestone Tire and Rubber Company patented a non-skid tire pattern on this day in 1914