Up until the 20th century, hats played an incredibly important role in fashion and attire – arguably much moreso than today. In the 19th century, felt was a common material for hats, and Felt Hat Day encourages us all to don a felt hat in tribute to this historically significant, but now somewhat neglected accessory.
When : Always September 15th
Make a Hat Day is is a day for fun. Design, make, and wear your a hat for yourself today. Put your personality into it. Or, make a hat from a character you would like to imitate for a day.
This day is very popular with preschool, kindergarten, and grade school teachers and students. Early in the new school year, teachers look for fun and interesting projects to break up the classroom routine, or for art projects. Kids, who love arts projects by nature, can use their creativity in making a hat that fits them!
The rules for Make a Hat Day are quite simple. Just make a hat, any hat. It can be for you, or for mom or dad. Wearing the hat is optional. But, it's half the fun.
All details taken directly from provider content at http://holidayinsights.com/moreholidays/September/makeahatday.htm