35 Offbeat Holidays to Celebrate in April

April 10: National Siblings Day
Celebrate the brothers and sisters who drive you mad and keep you sane—often all at the same time.
April 11: Barbershop Quartet Day
Consider a musical ode to these fearsome foursomes on their special day of the year.
April 11: International “Louie Louie” Day
"Louie Louie" is, by some accounts, the most recorded rock song in history. (The most famous version was recorded by The Kingsmen in 1963.) This year, celebrate this offbeat holiday by finally figuring out the lyrics.
April 12: National Licorice Day
This offbeat holiday—designed to celebrate black licorice specifically—will surely be a contentious commemoration. For those of you who cringed, please enjoy your Twizzlers.
April 12: Drop Everything and Read Day
Also known as D.E.A.R. Day, this holiday encourages you to abandon all prior commitments for the comfort of a good book. It also coincides with the birthday of children’s book author Beverly Cleary, who is a spokesperson for the event. Though marketed toward children, the celebration is open to everyone.
April 12: Walk On Your Wild Side Day
Whatever “wild” means to you, today's the day to do it.