Spring is in full bloom, it's National Vidalia Onion Month, and there are plenty of holidays to celebrate: Happy May!

1. May 1: Mother Goose Day

Founded in 1987 by Gloria T. Delamar in conjunction with the publication of her book, Mother Goose: From Nursery to Literature, this is a day to "re-appreciate" the old nursery rhymes.

2. May 3: World Free Press Day

The United Nations launched this holiday to recognize the role a free and independent press plays in a thriving democracy.

3. May 4: Star Wars Day

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May the fourth be with you!

4. May 6: No Homework Day

This one really only works if the teachers go along with it. Kids should be kids, but don't just stop doing your homework because we told you to.

5. May 8: Fintastic Friday: Giving Sharks a Voice!

WhaleTimes, Inc. and the Shark Research Institute have partnered up to raise awareness worldwide about the mass illegal killing and "finning" of sharks that has caused the population to drop 75 to 90 percent in many ecosystems.

6. May 9: National Train Day

This is the eighth annual National Train Day, which celebrates the day on which the "golden spike" was driven into the final tie in Promontory Summit, UT to connect the Central Pacific and Union Continental railroads, creating a country unified by 1776 miles of train track.

7. May 12: Limerick Day

Observed annually on the birthday of English author Edward Lear, whose 1846 A Book of Nonsense helped bring the lyrical form to popularity.

8. May 13: Donate A Day's Wages to Charity Day

This is the 14th year in which all working people are encouraged to donate whatever wages they earn on May 13 to charity. If that's not feasible, you're encouraged to spend time during the day to volunteer for charity.

9. May 16: Biographers Day

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This is celebrated annually on the anniversary of the 1763 meeting in London between James Boswell and Samuel Johnson, which launched one of the most famous author-subject relationships and produced the biographies Journal of a Tour to the Hebrides and Life of Samuel Johnson.

10. May 18: International Museum day

Celebrated since 1977, this is the perfect excuse to play hooky and go check out a local museum.

11. May 21: National Hummus Day

Started by Sabra (of course) in 2013 and beloved by sensible snackers everywhere

12. May 22: National Maritime Day

A Presidential Proclamation issued in 1933 made this day an official holiday dedicated to recognizing the maritime industry. It is set to coincide with the date in 1819 that the American steamship Savannah set sail on the first ever transoceanic voyage under steam power.

13. May 23: International Turtle Day

Celebrate by reading 20 things you didn't know about sea turtles right here.

14. May 25: National Tap Dancing Day

But only if you don't have people who live below you.

15. May 30: Loomis Day

This is a day to honor Mahlon Loomis, a oft-forgotten Washington DC dentist who received the first US patent on a wireless telegraphy system in 1872—before Guglimo Marconi, who is credited with inventing the first radio—was even born.

For an even more exhaustive list of holidays, historical anniversaries and notable birthdays, check out Chase's Calendar of Events.

All photos courtesy of iStock unless otherwise noted.