February 17 is the 48th day of the year in the Gregorian Calendar. It is preceded by February 16, and succeeded by February 18. Following February 17, there are 317 days in the year (318 in leap years).
- YEAR – EVENT - THIS IS JUST AN EXAMPLE
- YEAR – NAME, SOMETHING ABOUT PERSON (d. YEAR) - THIS IS JUST AN EXAMPLE
- 1907 – Henry Steel Olcott, American attorney; Founder and President of Theosophical Society (1875-1907) (b. 1832)
- 1600 – Giordano Bruno, martyred under Diocletian; philosopher and astronomer (b. 1548)
Holidays and observances
- Adyar Day, honoring death of H. S. Olcott; began in 1922