Holidays calendar April 2016‹ March 2016May 2016 ›DatePopular holidaysOther holidays and observances1 FridayInternational Bird Day2 SaturdayInternational Fact-Checking Day,International Children's Book Day,International Pillow Fight Day,World Autism Awareness Day3 SundayFind a Rainbow Day,World Health Worker Week4 MondayWorld Allergy Week,World Stray Animals Day,Square Root Day,International Carrot Day,World Rat Day,International Day for Mine Awareness and Assistance in Mine Action,World Health Worker Week5 TuesdayWorld Allergy Week,Invisible Work Day,Caramel Day,World Health Worker Week6 WednesdayWorld Allergy Week,World Table Tennis Day,International Day of Sport for Development and Peace,World Health Worker Week7 ThursdayWorld Allergy Week,International Beaver Day,World Health Day,International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda ,World Health Worker Week8 FridayWorld Allergy Week,Zoo Lovers Day,International GMO Opposition Day,International Romani Day,World Health Worker Week9 SaturdayWorld Allergy Week,International Unicorn Day,World Health Worker Week10 SundayGood Deeds Day,World Allergy Week11 MondayWorld Parkinson's Day12 TuesdayInternational Day for Street Children,Yuri's Night,World Hamster Day,International Day of Human Space Flight13 WednesdayScrabble Day14 ThursdayLook Up at the Sky Day15 FridayWorld Art Day16 SaturdayInternational Day against Child Slavery,World Circus Day,Husband Appreciation Day17 SundayHerbalist Day,World Hemophilia Day18 MondayInternational Day for Monuments and Sites,World Amateur Radio Day,Global Action Week For Education19 TuesdayGarlic Day,Global Action Week For Education20 WednesdayChinese Language Day,Global Action Week For Education21 ThursdayGlobal Action Week For Education22 FridayEarth Day,Global Action Week For Education,International Mother Earth Day23 SaturdaySt. George's DayWorld Book and Copyright Day,Spanish Language Day,Global Action Week For Education,English Language Day,Shakespeare Day24 SundayInternational Search and Rescue Dog Day,World Immunization Week,International Youth Solidarity Day,World Meningitis Day,Global Action Week For Education,World Day For Animals In Laboratories25 MondayParental Alienation Awareness Day,DNA Day,International Noise Awareness Day,World Immunization Week,World Penguin Day,World Malaria Day26 TuesdayWorld Immunization Week,World Intellectual Property Day27 WednesdayWorld Tapir Day,Morse Code Day,World Immunization Week,World Graphics Day28 ThursdayWorkers' Memorial Day,World Immunization Week,International Girls in ICT Day,World Day for Safety and Health at Work29 FridayWorld Immunization Week,International Day of Immunology,International Dance Day30 SaturdaySpank Out Day,World Veterinary Day,World Immunization Week,Honesty Day,International Jazz DaySuccess!Error!