Below find a comprehensive list of some important days and dates (some are just for fun) for July to September 2025, but this is by no means 100% complete. We’re always surprised at how many days are now allocated as special days for one reason or another. It seems there’s a day for everyone and everything!
July
- 01 World Bronchiectasis Day
- 01 International Joke Day
- 02 World UFO Day
- 05 International Day of Cooperatives
- 07 World Chocolate Day
- 11 World Population Day
- 12 Orangemen’s Day (The Twelfth)
- 16 World Snake Day
- 18 Nelson Mandela International Day
- 20 Moon Landing Anniversary
- 20 International Chess Day
- 24 International Self Care Day
- 28 World War 1
- 29 International Tiger Day
- 30 International Friendship Day
- 30 World Day Against Trafficking in Persons
- 31 World Ranger Day
August
- 01 World Lung Cancer Day
- 01 International Beer Day
- 06 Hiroshima Day
- 08 International Cat Day
- 09 International Day of the World’s Indigenous People
- 09 International Coworking Day
- 13 Left-Handers Day
- 14 World Lizard Day
- 16 Tell a Joke Day
- 16 International Geocaching Day
- 19 World Humanitarian Day
- 20 World Mosquito Day
- 21 International Day of Remembrance and Tribute to the Victims of Terrorism
- 22 World Plant Milk Day
- 22 Be An Angel Day
- 23 International Day for the Remembrance of the Slave Trade and its Abolition
- 25 MonSummer bank holiday
- 26 International Dog Day
- 29 International Day Against Nuclear Tests
- 30 International Day of the Victims of Enforced Disappearance
- 31 International Overdose Awareness Day
September
- 01 World Letter Writing Day
- 01 Suicide Prevention Month
- 02 World Coconut Day
- 04 World Sexual Health Day
- 05 International Day of Charity
- 06 World Beard Day
- 08 World Physiotherapy (PT) Day
- 08 International Literacy Day
- 09 Emergency Services Day (999 Day)
- 09 International Day to Protect Education from Attack
- 10 World Suicide Prevention Day
- 10 International Makeup Day
- 12 European Migraine Day of Action
- 13 Positive Thinking Day
- 13 Roald Dahl Day
- 15 World Lymphoma Awareness Day
- 15 International Day of Democracy
- 15 International Dot Day
- 16 International Day for the Preservation of the Ozone Layer
- 17 International Country Music Day
- 17 World Patient Safety Day
- 18 International Equal Pay Day
- 19 Talk Like a Pirate Day
- 20 World Cleanup Day
- 21 World Gratitude Day
- 21 International Day of Peace
- 21 World Alzheimer’s Day
- 22 Autumnal Equinox
- 22 Hobbit Day
- 22 World Rhino Day
- 22 World Rose Day
- 23 International Day of Sign Languages
- 24 World Gorilla Day
- 25 World Dream Day
- 26 World Contraception Day
- 27 World Tourism Day
- 27 International Rabbit Day
- 28 World Rabies Day
- 28 International Day for Universal Access to Information
- 28 World Rivers Day
- 29 World Heart Day
- 29 International Food Loss and Waste Awareness Day
- 30 International Podcast Day
- 30 International Translation Day
- 30 World Maritime Day
Source: Calendarr.com & various websites
Next quarter: October – December 2025
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