Other Fun Holidays around April 4
Fun at Work Day encourages people to have some fun at work.
World Party Day on April 3 is an unofficial holiday that encourages people to initiate social change by partying.
Read a Road Map Day on April 5 encourages people to pick up an actual paper map and read it.
April 5 is First Contact Day. It is a holiday celebrated by fans of the TV series, Star Trek.