259 briefs · 43 iconic · 5 categories · 54 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

259

Across the year

Iconic

43

Flagship briefs

Categories

5

Civil, religious, cultural, international

Countries

54

And growing

Today

Thursday, October 22, 2026

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

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Library at a glance

259 briefs · 43 iconic · 5 categories · 54 countries

Federal & civicMonth: Sep

Showing 3 briefs for Sep in this category.

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Sep

Labor Day - first Monday of September, federal holiday since 1894, and how it is observed

Labor Day on the first Monday of September is a US federal holiday honoring American workers. Established in 1894, it is one of 11 federal holidays under 5 U.S.C. 6103. Observed as the unofficial end of summer with parades, cookouts, and the NFL season opener.

US
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Sep

Mexican Independence Day - September 16, the Grito de Dolores and the 1810 uprising

Mexican Independence Day on September 16 marks the 1810 Grito de Dolores, when Father Miguel Hidalgo y Costilla called for an end to Spanish rule and launched the war that ended in the 1821 Treaty of Cordoba. This is Mexico's true Independence Day; Cinco de Mayo (May 5, 1862) is a separate holiday marking the Battle of Puebla.

MX
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Sep

Vietnam National Day - September 2, the 1945 declaration of independence

Vietnam's National Day on September 2 marks the 1945 declaration of independence by Ho Chi Minh in Hanoi. Observed as a national public holiday with flag ceremonies and a public holiday spanning September 2-4.

VN
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