We have 20 holidays listed for May 16.
May 16th is the 136th day in the Gregorian calendar. On this day Queen Elizabeth became the first monarch to address the United States Congress; the first Academy Awards were bestowed, and then President Andrew Johnson was acquitted of impeachment by a single vote in the U.S. Senate. Famous May 16th birthdays include Janet Jackson and Liberace. Today is National Mimosa Day.
Global Accessibility Awareness Day
Disabled users must have access to the same high-quality digital services and content as non-disabled users.
International Day of Light
Today, let’s come together to celebrate the life-giving light and its role in our lives.
National Aperitif Day
On National Aperitif Day, add a little aperitif to your cocktail and sip it in style!
National Barbecue Day
Are you ready to get grilling? Here’s how you can celebrate National Barbecue Day.
National Bike To School Day
Check out our fun ideas to enjoy National Bike To School Day with the family.
National Biographer's Day
Get your nerd mode on as we honor a popular branch of literature.
National Coquilles Saint Jacques Day
It’s time to come out of your ‘shell’ as we celebrate a lip-smacking French seafood delicacy.
National Do Something Good for Your Neighbor Day
A neighbor is not merely the person who lives closest to you.
National Honor Our LGBT Elders Day
A time to pay tribute to those who have paved the way for the LGBT community.
National Love a Tree Day
Let’s set a moment aside to appreciate the wonderful gifts of trees.
National Notebook Day
Roses are red, violets are blue, National Notebook Day is here, and we're celebrating with you.
National Piercing Day
A fun observance that focuses on the art of piercings and its intriguing history.
National Sea Monkey Day
We celebrate the existence of these strangely alluring shrimp.
National Wear Purple for Peace Day
Let’s wear purple to show that we all long for peace and will always do so.
Nickel Day
Let's work together to educate people about the benefits and drawbacks of the transitional metal, nickel.
Ride a Unicycle Day
Ride a Unicycle Day takes place annually to appreciate the fun one-wheeled vehicle.
Supply Chain Professionals Day
All your favorite stores and markets would shut down if there was no supply chain.
Waiters Day
National Waiters’ Day is a national campaign that celebrates the food and service industry workers.