2019
Later action
Waste & Recycling Workers Week
Renamed National Garbage Man Day to Waste & Recycling Workers Week for the 2020 celebration to reflect the week-long format and a broader, more inclusive workforce scope.
Evergreen date guide
What is celebrated on August 9?
See the observances and verified observance-history milestones attached to August 9. Each observance keeps its own source and date details.
Verified history
Today in history →On this date in observance history
Selected observance milestones connected to this date, based on reviewed sources.
1995
First observance
International Day of the World's Indigenous Peoples
United Nations records identify the 9 August 1995 observance as the first International Day of the World’s Indigenous Peoples.
1995
First observance
National Women’s Day
The Presidency explicitly refers to the first celebration of National Women’s Day on 9 August 1995.
1966
First observance
National Day
National Archives identifies the 1966 celebration as the first National Day celebration.
1956
Precursor
National Women’s Day
The democratic-era National Women’s Day uses the march anniversary as its historical basis and date rationale.
1948
First observance
Nagasaki Peace Memorial Ceremony
Nagasaki City historical material identifies the Peace Memorial Ceremony tradition as beginning in 1948, and the transition chronology records a city-organized peace-focused event…
Curated global anchors
See the collection →Major global guides on August 9
A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.
Source-backedFixed AnnualIn-depth guide
International Day of the World's Indigenous Peoples
A/RES/49/214
Reviewed depth
Other in-depth guides on August 9
Source-backedFixed AnnualIn-depth guide
Day of the Indigenous Peoples (Inheemsendag)
Suriname government messages state that Indigenous Peoples Day is celebrated on August 9 each year.
Source-backedFixed AnnualIn-depth guide
Nagasaki Peace Memorial Ceremony
Japan’s Prime Minister’s Office documents the Nagasaki Peace Memorial Ceremony on 9 August 2026, while Nagasaki’s official visitor information says the ceremony is held on 9 August every ye…
Source-backedFixed AnnualIn-depth guide
National Day
Singapore’s National Archives documents the first National Day celebrations in 1966 and the August 1966 switch from the announced name Independence Day to National Day; Singapore’s Independ…
Source-backedFixed AnnualIn-depth guide
National Women’s Day
South Africa’s government lists National Women’s Day on 9 August and applies the statutory next-Monday rule when a public holiday falls on a Sunday; government material also describes the a…
Source-backedRule Based AnnualIn-depth guide
Spirit of ’45 Day
A U.S. congressional concurrent resolution supports observance of Spirit of ’45 Day on the second Sunday in August
Source-backedRule Based AnnualIn-depth guide
Turkmen Melon Day
Turkmenistan government sources repeatedly state that Turkmen Melon Day is celebrated every year on the second Sunday of August and describe it as a national holiday.
Explore the mix
All topics →Topics represented on August 9
7 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Day of the Indigenous Peoples (Inheemsendag)
Suriname government messages state that Indigenous Peoples Day is celebrated on August 9 each year.
Source-backedFixed AnnualIn-depth guide
International Day of the World's Indigenous Peoples
A/RES/49/214
Source-backedFixed AnnualIn-depth guide
Nagasaki Peace Memorial Ceremony
Japan’s Prime Minister’s Office documents the Nagasaki Peace Memorial Ceremony on 9 August 2026, while Nagasaki’s official visitor information says the ceremony is held on 9 August every ye…
Source-backedFixed AnnualIn-depth guide
National Day
Singapore’s National Archives documents the first National Day celebrations in 1966 and the August 1966 switch from the announced name Independence Day to National Day; Singapore’s Independ…
Source-backedFixed AnnualIn-depth guide
National Women’s Day
South Africa’s government lists National Women’s Day on 9 August and applies the statutory next-Monday rule when a public holiday falls on a Sunday; government material also describes the a…
Source-backedRule Based AnnualIn-depth guide
Spirit of ’45 Day
A U.S. congressional concurrent resolution supports observance of Spirit of ’45 Day on the second Sunday in August
Source-backedRule Based AnnualIn-depth guide
Turkmen Melon Day
Turkmenistan government sources repeatedly state that Turkmen Melon Day is celebrated every year on the second Sunday of August and describe it as a national holiday.
How dates are selected
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →