August 1, 2027
- International weekWorld Breastfeeding Week
EVENTS & OBSERVANCES · UNITED STATES & INTERNATIONAL
1960–2030Explore the archive
August 2027 observances.
Holidays, cultural dates and regional observances — with international days, too. Explore each date and its sources.
August 2, 2027
- International weekWorld Breastfeeding Week
August 3, 2027
- International weekWorld Breastfeeding Week
August 4, 2027
- International weekWorld Breastfeeding Week
August 5, 2027
- International weekWorld Breastfeeding Week
August 6, 2027
- International dayInternational Day of Awareness of the Special Development Needs and Challenges of Landlocked Developing Countries
- International weekWorld Breastfeeding Week
August 7, 2027
- International weekWorld Breastfeeding Week
August 9, 2027
- International dayInternational Day of the World's Indigenous Peoples
- State holidayVictory Day
August 11, 2027
- International dayWorld Steelpan Day
August 12, 2027
- International dayInternational Youth Day
August 16, 2027
- State holidayBennington Battle Day
August 19, 2027
- International dayWorld Humanitarian Day
August 20, 2027
- State holidayStatehood Day
August 21, 2027
- International dayInternational Day of Remembrance and Tribute to the Victims of Terrorism
August 22, 2027
- International dayInternational Day Commemorating the Victims of Acts of Violence Based on Religion or Belief
August 23, 2027
- International dayInternational Day for the Remembrance of the Slave Trade and Its Abolition
August 27, 2027
- International dayWorld Lake Day
- State holidayLyndon Baines Johnson Day
August 29, 2027
- International dayInternational Day against Nuclear Tests
August 30, 2027
- International dayInternational Day of the Victims of Enforced Disappearances
August 31, 2027
- International dayInternational Day for People of African Descent
- International dayInternational Day of Safe, Secure and Trustworthy Artificial Intelligence
Calendar sources: OPM, US holiday calendar, United Nations. Regional and observed dates are labelled on each entry.