Historical Events
Humboldt's Magnetic Field 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
Calendar: Gregorian
Day of the Week: Friday
How Long Ago? 219 years, 7 months and 26 days
Leap Year: Yes
Star Sign: Sagittarius
