What Happened on January 7, 1610

Historical Events

Galileo Discovers Jupiter’s Moons

Galileo Galilei discovers the first three moons of Jupiter: Io, Europa & Ganymede

1610 Highlights

About January 7, 1610

Day of the Week: Thursday
How Long Ago? 413 years, 4 months and 21 days
Leap Year: No

Star Sign: Capricorn