Full list: 13 key international days and observances to note in August 2026

August 2026 features 13 key international days and observances recognised by the United Nations, UNESCO and the World Health Organization.108 International Day of the World's Indigenous PeoplesUN Resolution: A/RES/49/214 World Steelpan DayUN Resolution: A/RES/77/316 International Youth DayUN Resolution: A/RES/54/120 World Humanitarian DayUN Resolution: A/RES/63/139 International Day of Remembrance and Tribute to the Victims of TerrorismUN Resolution: A/RES/72/165 International Day Commemorating the Victims of Acts of Violence Based on Religion or BeliefUN Resolution: A/RES/73/296 International Day for the Remembrance of the Slave Trade and Its AbolitionUNESCO Resolution: 29 C/Resolution 40 World Lake DayUN Resolution: A/RES/79/142 International Day against Nuclear TestsUN Resolution: A/RES/64/35 International Day of the Victims of Enforced DisappearancesUN Resolution: A/RES/65/209 International Day for People of African DescentUN Resolution:Later in August, attention shifts to preserving cultural heritage and historical memory, with international days dedicated to the abolition of the slave trade, the protection of the world's lakes, and efforts to achieve a world free of nuclear testing.