National days, ongoing national weeks and months, and global observances for April 21, 2027. Plus historical events and birthdays.
April 21, 2027 celebrates National Yellow Bat Day, plus 5 more. Founded in 2016 by National Day Calendar® and Doug Bonnot, President of the Sentinel Chapter of the 101st Airborne Association.
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National Rendering Day is on April 21 and we are celebrating by bringing awareness to reducing and eliminating food waste through a process known as rendering.
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Each year in April, National Library Workers Day recognizes the valuable contributions library staff make every day to their communities through their hard work and dedication. The observance takes place annually on the Tuesday of National Library Week.
Read the full story →Longer-running observances that include this date.
National Tar Syndrome Awareness Month
Month
Sarcoidosis Awareness Month
Month
National Fair Housing Month
Month
National Volunteer Month
Month
National Month Of Hope
Month
National Financial Literacy Month
Month
Stress Awareness Month
Month
International Guitar Month
Month
Sexual Assault Awareness Month
Month
National Humor Month
Month
National Autism Awareness Month
Month
Canine Fitness Month
Month
Showing the first 12 — See all months for April.
