On This Day

What Happened on December 11, 1863

Famous Birthdays


Person of interestAnnie Jump Cannon

Annie Jump Cannon, American stellar spectroscopist (Harvard-classification), born in Dover, Delaware (d. 1941)

Astronomer Annie Jump Cannon
Astronomer
Annie Jump Cannon

1863 Highlights

About December 11, 1863

Day of the Week: Friday
How Long Ago? 157 years, 1 month and 7 days
Leap Year: No

Star Sign: Sagittarius