National Let’s Laugh Day (March 19)

Family Lying Upside Down On Sofa With Daughter

National Let’s Laugh Day is celebrated on March 19 and is exactly what it sounds like, a day dedicated to humor, jokes, and not taking life too seriously.

Whether it’s stand-up comedy, ridiculous memes, or terrible dad jokes, the goal is simple: laugh more than you normally would.

When is it?

The funny day is celebrated annually on March 19th. No shifting dates, no complicated timing, just one day set aside for humor.

Who Invented the Holiday?

There isn’t a clear founder behind this one.

Unlike some holidays tied to an organization or campaign, this one seems to have appeared more organically. At some point, someone decided March 19 could use more humor, and it stuck.

Close-up of a child smiling and laughing outdoors

The History of the Holiday

There’s no formal origin story, but laughter itself has always been part of culture.

Ancient Greek theater separated tragedy and comedy with distinct masks. Medieval courts had jesters. Modern comedy ranges from stand-up specials to short clips that spread online in seconds.

Today, the holiday mostly plays out on social media, where people share jokes, memes, and whatever made them laugh that day. It’s less about ceremony and more about participation.

Two men laughing together inside a car

Top 5 Facts About the Holiday

  1. Humans can usually tell the difference between genuine laughter and polite laughter. We’re oddly good at it.
  2. Even forced laughter can trigger a real physical response, your body often reacts before your brain decides whether it’s “authentic.”
  3. The average child laughs far more times per day than the average adult. Somewhere along the way, we get quieter.
  4. Laughter is contagious in a measurable way. Hearing someone else laugh activates areas of your brain linked to social bonding.
  5. People rarely laugh alone. Most laughter happens in groups, even when nothing particularly funny is happening.

Coloring Page

While the jokes are flying, this coloring page gives younger kids something fun to work on.

National Lets Laugh Day Coloring Page
Laughing Coloring Sheet

Activities to Celebrate

The easiest way to mark National Let’s Laugh Day is to watch or read something that reliably makes you laugh. Not something you think should be funny, something you already know works. That one clip you’ve seen ten times. The sitcom you quote without realizing it.

You could text a friend the dumb joke you’ve been saving, or bring it up at dinner and accept that it might flop. Sometimes that makes it funnier.

If you have kids around, let them tell their worst knock-knock jokes without correcting the delivery. Half the humor is in the commitment.

Game nights work well too, charades, party games, anything slightly chaotic. The goal isn’t structure; it’s shared laughter.

Older couple sitting indoors laughing together while holding coffee

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Links to Resources

Two women walking and laughing together on a city sidewalk

Related Holidays

  • National Laugh and Get Rich Day (February 8) – A tongue-in-cheek holiday built around the idea that laughter can be its own kind of wealth. It leans into humor, optimism, and not taking financial stress too seriously for a day.
  • National Goof Off Day (March 22) – Encourages people to loosen up and step away from rigid routines. It’s often marked by harmless silliness, lighthearted pranks, or simply choosing fun over productivity.
  • World Circus Laughter Day (Third Saturday in April) – Connected to the circus tradition of clowning and physical comedy, this day highlights the role of performers in bringing laughter to live audiences around the world.

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Mother and young son laughing together on a couch for National Let’s Laugh Day