Historical Events
- GR Kirchoff describes chemical composition of the Sun
Famous Birthdays
- L. L. Zamenhof, Polish physician and linguist (Esperanto), born in Białystok, Poland, Russian Empire (d. 1917)
About December 15, 1859
Day of the Week: Thursday
How Long Ago? 164 years, 4 months and 18 days
Leap Year: No
Star Sign: Sagittarius
