Every day of the year there are unofficial (and often weird and entertaining) holidays celebrated by groups and individuals around the world.

And it鈥檚 not just one unique thing to celebrate each day. On any given day of the year, there are several to choose from.

There are also weekly and monthly celebrations. In April, for example, folks are recognizing National Volunteer Week and Parkinson鈥檚 Awareness Month.

Here are some of the unofficial holidays for the coming week:

Sunday, April 18: Pi帽ata Day, World Heritage Day, Columnists Day, Velociraptor Awareness Day.

Monday, April 19: Bicycle Day, Garlic Day, Amaretto Day, Hanging Out Day.

Tuesday, April 20: Volunteer Day, Chinese Language Day, Look-Alike Day.

Wednesday, April 21: Tea Day, Bulldogs are Beautiful Day, Stationery Day, Banana Day.

Thursday, April 22: Earth Day, Love Your Thighs Day, Beagle Day, Thank You Thursday.

Friday, April 23: German Beer Day, Lost Dog Awareness Day, Day of Silence.

Saturday, April 24: Go Birding Day, Save the Frogs Day, Veterinary Day, Scream Day.

Check back regularly for upcoming lists of international unofficial holidays.

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