National Day Calendar April. Celebrate one of the most important days by indulging your need for free expression. Get off the couch, grab your backpack, and head outdoors to enjoy a.

Peruse this list to find more april holidays and observances that are meaningful to you, whether it’s world autism acceptance day (april 2) or siblings day (april 10), and add. April 22nd is the 112th day in the gregorian calendar;