Famous Birthdays
- Konstantin Tsiolkovsky, Russian pioneer in rocket and space research, born in Izhevskoye, Ryazan Governorate, Russian Empire (d. 1935)
About September 17, 1857
Calendar: Gregorian
Day of the Week: Thursday
How Long Ago? 166 years, 10 months and 16 days
Leap Year: No
Star Sign: Virgo
