Holidays for Monday, April 18th, 2011
Also known as Tax Day
Observed annually on April 15th unless it falls on holiday or weekend. If so, it is the following weekday that isn't a holiday.
Observed annually on April 15th unless it falls on holiday or weekend. If so, it is the following weekday that isn't a holiday.
Also known as International Monuments and Sites Day and World Heritage Day
Observed annually on April 18th
Observed annually on April 18th
Multi-day Events Continuing on Monday, April 18th, 2011
- Animal Cruelty/Human Violence Awareness WeekObserved the third full week of April
- Holy WeekObserved for 7 days starting 7 days before Easter
- National Coin WeekObserved the third full week of April
- National Pet ID WeekObserved annually for 7 days starting on April 17th
- 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
- 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