Famous Deaths
- Otto von Guericke, German scientist, inventor, and politician, dies at 83
Died in 1686 1686 Highlights
About May 21, 1686
Calendar: Julian 
Day of the Week: Friday
Calendar: Gregorian 
Day of the Week: Tuesday
How Long Ago? 338 years, 2 months and 12 days
Leap Year: No
Star Sign: Gemini
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