December 21 is the 355th day of the year in the Gregorian calendar (the 356th day during leap years). There are 10 days remaining until the end of the year.
What happened on this day[]
- 1999 - The Freestyle tablet computer is discontinued by Assistive Technology.
- 2015 - RPN Calculator 1.2 is released for iOS.
- 2020 - StuffIt Expander 16.2 is released for macOS.
External links[]
- December 21 at Wikipedia