Historical Events
- Florentine scientist Evangelista Torricelli describes his invention of the mercury barometer in 1643 in a letter to Michelangelo Ricci
1644 Highlights
About June 11, 1644
Calendar: Julian 
Day of the Week: Tuesday
Calendar: Gregorian 
Day of the Week: Saturday
How Long Ago? 380 years, 1 month and 1 day
Leap Year: Yes
Star Sign: Gemini
Authors
Civil Rights Activists
Inventors
Kings
Revolutionaries
Scientists