On This Day

What Happened on April 21, 1820

Historical Events

Historic Event

Danish scientist Hans Christian Ørsted is the first to identify electromagnetism, when he observes a compass needle

1820 Highlights

About April 21, 1820

Day of the Week: Friday
How Long Ago? 202 years, 1 month and 3 days
Leap Year: Yes

Star Sign: Taurus