Fun Holidays on April 26

Fun Holidays on April 26 – Pretzel Day, Richter Scale Day, World Pinhole Photography Day

A woman buying from a street vendor in Ermou Street, downtown Athens.
Pretzel Day
Pretzel Day is a made-up holiday devoted to everyone’s favorite snack with beer – pretzels.
Seismograph for measuring tremors.
Richter Scale Day
Richter Scale Day is an unofficial holiday dedicated to the work of seismologist Charles Francis Richter.
Pinhole photography negatives.
World Pinhole Photography Day
World Pinhole Photography Day on the last Sunday of April celebrates the art and science of pinhole cameras and photography.