Holidays calendar August 2040‹ July 2040September 2040 ›DatePopular holidaysOther holidays and observances1 WednesdayWorld Wide Web Day,World Lung Cancer Day,Girlfriends Day,World Breastfeeding Week2 ThursdayColoring Book Day,World Breastfeeding Week3 FridayInternational Beer Day,Clean Your Floors Day,Watermelon Day,World Breastfeeding Week4 SaturdayInternational Clouded Leopard Day,International Mustard Day,International Alopecia Day,Disc Golf Day,World Breastfeeding Week5 SundayOyster Day,Underwear Day,International Assistance Dog Week,Sisters' Day,World Breastfeeding Week6 MondaySummer Bank HolidayInternational Assistance Dog Week,Fresh Breath Day,World Breastfeeding Week7 TuesdayAged Care Employee Day,International Assistance Dog Week,World Breastfeeding Week8 WednesdayInternational Cat Day,International Assistance Dog Week9 ThursdayBook Lovers Day,International Assistance Dog Week,International Day of the World's Indigenous People10 FridayWorld Lion Day,International Assistance Dog Week11 SaturdayInternational Assistance Dog Week,Bowling Day12 SundayWorld Elephant Day,International Youth Day13 MondayInternational Wolf Day,International Left Handers Day14 Tuesday15 WednesdayWorld Calligraphy Day16 ThursdayWorld Roller Coaster Day17 FridayDay of Positively Twisted People,Thrift Shop Day18 SaturdayInternational Homeless Animals’ Day,Ice Cream Pie Day,Daughter-in-law Day,International Geocaching Day19 SundayWorld Photo Day,International Orangutan Day,International Lighthouse Day,World Humanitarian Day20 MondayWorld Mosquito Day21 TuesdayWorld Optimist Day,International Day of Remembrance and Tribute to the Victims of Terrorism22 WednesdayWorld Plant Milk Day,Clairvoyant's Day,International Day Commemorating the Victims of Acts of Violence Based on Religion and Belief23 ThursdayInternational Day for the Remembrance of the Slave Trade and Its Abolition24 FridayPluto Demoted Day25 SaturdayInternational Bat Night,Instant Soup Day26 SundayInternational Dog Day,Glitter Day27 MondaySummer Bank HolidayInternational Gamebook Day28 TuesdayBow Tie Day29 WednesdayInternational Day against Nuclear Tests30 ThursdayInternational Whale Shark Day,International Day of the Disappeared,International Day of the Victims of Enforced Disappearances31 FridayInternational Day for People of African DescentSuccess!Error!