Holidays for Friday, April 1st, 2011
Also known as Saint Stupid's Day, Saint Stupid Day, and St. Stupid Day
Observed annually on April 1st
Observed annually on April 1st
Multi-day Events Starting on Friday, April 1st, 2011
- International Dark Sky WeekObserved for 8 days starting on April 1st
- Adopt a Ferret MonthObserved the month of April
- Alcohol Awareness MonthObserved the month of April
- Celebrate Diversity MonthObserved the month of April
- Children and Nature Awareness MonthObserved the month of April
- Couple Appreciation MonthObserved the month of April
- Decorating MonthObserved the month of April
- Dog Appreciation MonthObserved the month of April
- Financial Literacy MonthObserved the month of April
- Fresh Florida Tomato MonthObserved the month of April
- Global Astronomy MonthObserved the month of April
- Grange MonthObserved the month of April
- Holy Humor MonthObserved the month of April
- Human Genome MonthObserved the month of April
- Informed Woman MonthObserved the month of April
- International Amateur Radio MonthObserved the month of April
- International Customer Loyalty MonthObserved the month of April
- International Guitar MonthObserved the month of April
- International TWIT Award MonthObserved the month of April
- Irritable Bowel Syndrome Awareness MonthObserved the month of April
- Jazz Appreciation MonthObserved the month of April
- Keep America Beautiful MonthObserved the month of April
- Mathematics and Statistics Awareness MonthObserved the month of April
- Mathematics Education MonthObserved the month of April
- Month of the Military ChildObserved the month of April
- National 9-1-1 Education MonthObserved the month of April
- National African-American Women's Fitness MonthObserved the month of April
- National Anxiety MonthObserved the month of April
- National Autism Awareness MonthObserved the month of April
- National BLT Sandwich MonthObserved the month of April
- National Cancer Control MonthObserved the month of April
- National Car Care MonthObserved the month of April
- National Card and Letter Writing MonthObserved the month of April
- National Child Abuse Prevention MonthObserved the month of April
- National Distracted Driving Awareness MonthObserved the month of April
- National Donate Life MonthObserved the month of April
- National Facial Protection MonthObserved the month of April
- National Foot Health Awareness MonthObserved the month of April
- National Fresh Celery MonthObserved the month of April
- National Frog MonthObserved the month of April
- National Garden MonthObserved the month of April
- National Garlic MonthObserved the month of April
- National Grilled Cheese Sandwich MonthObserved the month of April
- National Heartworm Awareness MonthObserved the month of April
- National Humor MonthObserved the month of April
- National Kite MonthObserved the month of April
- National Knuckles Down MonthObserved the month of April
- National Lawn Care MonthObserved the month of April
- National Minority Health MonthObserved the month of April
- National Pecan MonthObserved the month of April
- National Pest Management MonthObserved the month of April
- National Pet Month (UK)Observed the month of April
- National Poetry MonthObserved the month of April
- National Rebuilding MonthObserved the month of April
- National Sarcoidosis Awareness MonthObserved the month of April
- National Soft Pretzel MonthObserved the month of April
- National Soyfoods MonthObserved the month of April
- National Sports Eye Safety MonthObserved the month of April
- National Welding MonthObserved the month of April
- National Woodworking MonthObserved the month of April
- National Youth Sports Safety MonthObserved the month of April
- Occupational Therapy MonthObserved the month of April
- Pet First Aid Awareness MonthObserved the month of April
- Pharmacists' War on DiabetesObserved the month of April
- Prevention of Cruelty to Animals MonthObserved the month of April
- Prevent Lyme Disease in Dogs MonthObserved the month of April
- Records and Information Management MonthObserved the month of April
- Rosacea Awareness MonthObserved the month of April
- School Library MonthObserved the month of April
- Scottish-American Heritage MonthObserved the month of April
- Sexual Assault Awareness MonthObserved the month of April
- Straw Hat MonthObserved the month of April
- Stress Awareness MonthObserved the month of April
- Summer Tire Changeover MonthObserved the month of April
- Women's Eye Health and Safety MonthObserved the month of April
- Workplace Conflict Awareness MonthObserved the month of April
- World Landscape Architecture MonthObserved the month of April
- Worldwide Bereaved Spouses Awareness MonthObserved the month of April
Multi-day Events Continuing on Friday, April 1st, 2011
- National Cleaning WeekObserved the fourth full week of March
- National Second-Hand Shopping WeekObserved the fourth full week of March
- National Deaf History MonthObserved annually for 34 days starting on March 13th
- LentObserved for 46 days starting 46 days before Easter
- Decade of Action for Road SafetyObserved January 1st, 2011 through December 31st, 2020
- International Decade for the Eradication of ColonialismObserved January 1st, 2011 through December 31st, 2020
- International Decade of the World's Indigenous PeopleObserved January 1st, 2005 through December 31st, 2014
- United Nations Decade for the Eradication of PovertyObserved January 1st, 2008 through December 31st, 2017
- United Nations Decade of Education for Sustainable DevelopmentObserved January 1st, 2005 through December 31st, 2014
- United Nations Decade on BiodiversityObserved January 1st, 2011 through December 31st, 2020
- United Nations Literacy Decade: Education for AllObserved January 1st, 2003 through December 31st, 2012
- International Decade for Action, "Water for Life"Observed January 1st, 2005 through December 31st, 2015
- Decade of Recovery and Sustainable Development of the Affected RegionsObserved January 1st, 2006 through December 31st, 2016
- United Nations Decade for Deserts and the Fight against DesertificationObserved January 1st, 2010 through December 31st, 2020