267 briefs · 48 iconic · 5 categories · 55 countries

Every brief, one library.

One page per holiday, festival, or public day. Each brief covers origins, dates, customs, legal status, and where it is contested — then links the primary sources.

Briefs

267

Across the year

Iconic

48

Flagship briefs

Categories

5

Civil, religious, cultural, international

Countries

55

And growing

Today

Saturday, October 24, 2026

No federal or major public holiday observed today across tracked regions.

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Library at a glance

267 briefs · 48 iconic · 5 categories · 55 countries

MemorialMonth: Sep

Showing 5 briefs for Sep in this category.

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Iconic
Sep

Patriot Day - September 11, the US observance remembering 9/11

Patriot Day on September 11 is the United States federal observance remembering the 2,977 victims of the 2001 terrorist attacks. Established by Congress in 2001, observed with a moment of silence at 8:46 AM ET, flag-half-staff, and remembrance ceremonies. Not a federal holiday.

US
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Sep

Constitution Day - September 17, the 1787 signing at Independence Hall, and the Citizenship Clause

Constitution Day (also Citizenship Day) is observed on September 17 in the United States, commemorating the 1787 signing of the Constitution by the delegates to the Constitutional Convention in Philadelphia. Federally required educational observance under 36 U.S.C. section 106, but not a public holiday.

US
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Sep - Oct

Hispanic Heritage Month - September 15 to October 15, the 1968 origins, and how it is observed

Hispanic Heritage Month is observed in the United States from September 15 to October 15. Signed into law as a 30-day observance in 1988 (Pub. L. 100-402), it started as a single week under President Lyndon Johnson's Proclamation 3839 of 1968. Honoring the histories, cultures, and contributions of Americans whose ancestors came from Spain, Mexico, the Caribbean, and Central and South America.

US
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Sep

National Day for Truth and Reconciliation - Orange Shirt Day, residential schools, and the day of observance

The National Day for Truth and Reconciliation is observed on September 30 in Canada to honour the children who died in residential schools, the survivors, and their families. It is a federal holiday in Canada and a statutory holiday in six provinces and territories. The day is also recognized as Orange Shirt Day, an Indigenous-led observance.

CA
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Sep

National Heritage Day in South Africa - September 24, when the country marks the 200-year-old Cape Malay culture with sarie dinners

National Heritage Day in South Africa is on September 24, commemorating the 200th anniversary of the Cape Malay culture introduced to the Cape by enslaved people from Southeast Asia. Public holidays include a day off and the day after.

ZA
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