11月21 Fun Holidays on 十一月21日 (金)
World Hello Day
The unofficial holiday promotes peace and understanding by encouraging people to communicate with each other. Read more
Other Fun Holidays around 十一月21日 (金)
20 11月Use Less Stuff Day
Cut down on your carbon footprint by using and buying fewer things on this environmentally conscious holiday.
20 11月National Absurdity Day
Celebrate the absurd and nonsensical in life, fiction, humor and philosophy.
22 11月Go For a Ride Day
Take a ride on your favorite vehicle and feel the wind in your hair.
23 11月Fibonacci Day
Honor the eminent Italian mathematician, Leonardo Bonacci or Leonardo of Pisa on this mathematical holiday.