We have 27 holidays listed for May 20.
May 20th is the 140th day in the Gregorian calendar. On this day Chinese authorities declared martial law after pro-democracy protests in Tiananmen Square; Cuba gained independence from the United States, and Levi Strauss received his patent for blue jeans. Famous May 20th birthdays include Cher and Jimmy Stewart. Today is National Be a Millionaire Day.
Clinical Trials Day
It is a day to highlight clinical research professionals' contributions to public health and medicine.
East Timor Independence Day
Let’s learn about the bravery and courage of the people that fought for East Timor’s independence.
Eliza Doolittle Day
This holiday, celebrate the Cockney accent and how we can be better versions of ourselves!
Hats for Headway Day
Help raise funds for brain injury survivors by posting a photo of yourself in a hat.
National Band Director’s Day
If you’ve ever enjoyed the music performed at school sporting events, thank the Band Director!
National High Heels Day
It’s that time of the year to strut in your highest heels and make history.
National Jase Day
Rejoice and celebrate all the Jases out there with our awesome celebration suggestions.
National Rescue Dog Day
Step up to show kindness and love to rescue dogs this National Rescue Dog Day.
National Streaming Day
Grab your remote and popcorn to enjoy your favorite shows this National Streaming Day.
National Women In Aerospace Day
The day also celebrates women working in commercial aviation, defense, and space.
Whit Monday (Martinique)
Celebrate Whit Monday with a burst of religious flavor. Let us get you started!
Whit Monday (Saint Barthelemy)
It's Whit Monday, a day to remember the ultimate sacrifice made by Jesus Christ.
Whit Monday (Saint Martin)
Learn about Whit Monday, when the holiday originated, and how to celebrate it.
World Autoimmune Arthritis Day
Let's support each other in the fight against autoimmune diseases. Together, we can find a cure.