On This Day

What Happened on September 17, 1789

Historical Events

DiscoveryHistoric Discovery

William Herschel discovers Mimas, satellite of Saturn

Astronomer William Herschel
William Herschel

1789 Highlights

About September 17, 1789

Day of the Week: Thursday
How Long Ago? 231 years, 4 months and 3 days
Leap Year: No

Star Sign: Virgo