Summary:
- Towel Day is an annual celebration held on May 25th to honor the late author Douglas Adams and his popular science fiction series "The Hitchhiker's Guide to the Galaxy."
- The event encourages people to carry a towel with them, as it is an essential item for any intergalactic traveler according to the books.
- Fans of the series come together to celebrate the legacy of Douglas Adams and the importance of towels in the world of "The Hitchhiker's Guide to the Galaxy."