We have 21 holidays listed for April 28.
April 28th is the 118th day in the Gregorian calendar; it marks the anniversary of Billy the Kid escaping from the Lincoln County Jail and Azerbaijan is added to the Soviet Union. Famous April 28th birthdays include Jay Leno, John Daly, Jessica Alba, and Jenna Ushkowitz. April 28th also marks Arbor Day and National Superhero Day.
National Arbor Day
Broadleaf. Evergreen. Conifer. How well do you really know your trees?
National Superhero Day
Get out your cape and celebrate National Superhero Day. Who makes the best superhero?
Biological Clock Day
Let’s appreciate the wonders of the circadian rhythms this Biological Clock Day.
Clean Comedy Day
Let's have some good, clean fun that everyone can join in on!
Donate Life Blue and Green Day
Let’s get our Blue and Green on as we help donate to life this holiday.
Global Pay It Forward Day
Don’t pay kindness back, pay it forward and continue a selfless chain reaction.
Great Poetry Reading Day
Poetry — a medium to convey thoughts and feelings by weaving words into simplistic or intricate designs.
Hung Kings Festival
Did you know the festival’s official name is Death Anniversary of the Hung Kings?
Kiss Your Mate Day
Tilt your head sideways, close those eyes, pucker the lips, and relish that passionate kiss!
National Blueberry Pie Day
We celebrate the wonder of nature’s only true blue fruit baked into a doughy, buttery pastry.
National BraveHearts Day
Today we honor the strength and bravery of people affected by pediatric cancer.
National Cubicle Day
March into your workplaces, recline those chairs, and unwind in that wonderful cubicle!
National Franklin Day
There are many popular Franklins in history. This is the day to honor your favorite!
National Hairball Awareness Day
Hairballs are a healthy part of animals’ routines, but can potentially be an underlying health issue.
Occupational Safety & Health Day
Let’s work together to raise awareness about the importance of occupational safety and health.
Save the Frogs Day
Today is dedicated to our hoppy, jumpy friends who are an important part of our environment.
Undiagnosed Children's Awareness Day
Children who are affected by Syndromes Without a Name and their families need our support.
Workers Memorial Day
Relive the struggles and sacrifices of workers' unions around the world and what they strived for.
Workers’ Memorial Day
All over the world, workers have contributed towards building a society that’s liveable and comfortable.
World Day for Safety and Health at Work
Safety and health at work are the names of the game on this day.
World Women’s Wellness Day
Join us, and let’s support women’s health across the world this World Women’s Wellness Day!