Holidays calendar May 2011‹ April 2011June 2011 ›DatePopular holidaysOther holidays and observances1 SundayInternational Sunflower Guerrilla Gardening Day,Lily of the Valley Feast,World Laughter Day,Global Love Day2 MondayMay Day3 TuesdayInternational Sun Day,World Asthma Day,World Press Freedom Day4 WednesdayInternational Firefighters’ Day,Potter's Day,Star Wars Day5 ThursdayInternational Midwives' Day,World Hand Hygiene Day,World Password Day6 FridaySpace Day,Swiss Guards Day,World Kids Colouring Day,International Tuba Day,International No Diet Day7 SaturdayShutdown Day8 SundayWorld Red Cross and Red Crescent Day,Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War9 MondayTime of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War10 TuesdayWorld Lupus Day11 WednesdayChestnut Tree Day12 ThursdayInternational Nurses Day,Fibromyalgia Awareness Day13 Friday14 SaturdayWorld Migratory Bird Day15 SundayInternational Kangaroo Mother Care Awareness Day,International AIDS Candlelight Memorial,Nylon Stockings Day,International Day of Families16 MondayInternational Coeliac Day17 TuesdayWorld Telecommunication and Information Society Day,World Hypertension Day18 WednesdayInternational Museum Day19 ThursdayWorld Inflammatory Bowel Disease Day,World Family Doctor Day,World Human Milk Donation Day,Vyshyvanka Day20 FridayWorld Metrology Day,Clinical Trials Day21 SaturdayWorld Day for Cultural Diversity for Dialogue and Development22 SundayPac-Man Day,International Day for Biological Diversity23 MondayWorld Turtle Day24 TuesdayCyrillic Alphabet Day,World Schizophrenia Day,Escargot Day25 WednesdayAfrican Liberation Day,World Multiple Sclerosis Day,World Thyroid Day,Towel Day,Week of Solidarity with the Peoples of Non-Self-Governing Territories26 ThursdayPaper Airplane Day,Week of Solidarity with the Peoples of Non-Self-Governing Territories27 FridayWeek of Solidarity with the Peoples of Non-Self-Governing Territories28 SaturdayWorld Hunger Day,World Play Day,Week of Solidarity with the Peoples of Non-Self-Governing Territories29 SundayWorld Digestive Health Day,Week of Solidarity with the Peoples of Non-Self-Governing Territories,International Day of UN Peacekeepers30 MondaySpring Bank HolidayWorld Juice Day,Week of Solidarity with the Peoples of Non-Self-Governing Territories31 TuesdayWorld Parrot Day,World No-Tobacco Day,Week of Solidarity with the Peoples of Non-Self-Governing TerritoriesSuccess!Error!