On This Day

What Happened on December 7, 1804

Historical Events

Scientific Discovery

Naturalist Alexander von Humboldt reports his discovery of the decrease in intensity of Earth's magnetic field from the poles to the equator in a memoir to the Paris Institute

1804 Highlights

About December 7, 1804

Day of the Week: Friday
How Long Ago? 217 years, 5 months and 15 days
Leap Year: Yes

Star Sign: Sagittarius