Historical Events
Historic Discovery
Galileo Galilei discovers Callisto, 4th satellite of Jupiter
Galileo Galilei
Famous Birthdays
- Maria Anna of Austria, Electress of Bavaria (d. 1665)
1610 Highlights
About January 13, 1610
Day of the Week: Wednesday
How Long Ago? 411 years, 6 months and 19 days
Leap Year: No
Star Sign: Capricorn