Pretzel Day is a made-up holiday devoted to everyone’s favorite snack with beer – pretzels. Read more
Richter Scale Day is an unofficial holiday dedicated to the work of seismologist Charles Francis Richter. Read more
23 AprWorld Pinhole Photography Day on the last Sunday of April celebrates the art and science of pinhole cameras and photography.
25 AprDNA Day on April 25 celebrates and recognizes the importance of genetics and the scientific advances made in the field of genetics.
27 AprTake Our Daughters and Sons to Work Day is a holiday that encourages parents to take their children to work.
29 AprAstronomy Day is an observance to appreciate and study the cosmos.