Historical Events
- Germany notifies US that U-boats will attack neutral merchant ship
- Mexican President Carranza announces a new constitution with many liberal elements; most of which his regime will not implement
Famous Birthdays
- Erich Geiringer, New Zealand general practitioner campaigner (founder of the New Zealand Medical Association), born in Vienna, Austria-Hungary (d. 1995)
- José Maceda, Filipino composer and ethnomusicologist born in Manila, Philippines (d. 2004)
About January 31, 1917
Day of the Week: Wednesday
How Long Ago? 106 years, 1 month and 21 days
Leap Year: No
Generation: Greatest Generation
Chinese Zodiac: Snake
Star Sign: Aquarius
