National Let's Laugh Day

Celebrated on 03/19/2026

Quick Fact

National Let's Laugh Day, celebrated on March 19, was created to encourage people to share laughter as a form of medicine. Laughter has been shown to reduce stress, boost the immune system, and even burn a few calories—so laughing for 10-15 minutes a day can increase energy expenditure by up to 40 calories.

Origins and Establishment of National Let's Laugh Day

National Let's Laugh Day was founded in the late 20th century by a group of humor therapists and wellness advocates who recognized the therapeutic benefits of laughter. The exact year of its establishment is unclear, but it gained official recognition in the early 2000s through campaigns by organizations like the World Laughter Project. The date March 19 was chosen to coincide with the approach of spring, symbolizing renewal and joy.

Evolution and Modern Commemoration

Initially celebrated with small gatherings and comedy shows, National Let's Laugh Day has evolved into a global event embraced by schools, workplaces, and online communities. Today, it is marked by laughter yoga sessions, stand-up comedy events, and social media challenges where people share funny videos or jokes. The holiday has also been adopted by mental health organizations to promote the importance of humor in coping with daily stress.

Facts & General Observations

• Laughter yoga, which combines laughter exercises with yogic breathing, is practiced in over 100 countries on National Let's Laugh Day.
• A study by the University of Maryland found that people with a good sense of humor have a 40% lower risk of heart disease.
• On average, children laugh 300 times a day, while adults laugh only 15-20 times, making this holiday a reminder to rediscover childlike joy.

Explore more celebrations, trivia, and quests on National Day Quest.