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

Friday, October 23, 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: Apr

Showing 3 briefs for Apr in this category.

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Apr

Patriots’ Day - third Monday in April, the Battles of Lexington and Concord, and the Boston Marathon

Patriots’ Day is observed on the third Monday in April in Massachusetts, Maine, Wisconsin, Connecticut, North Dakota, and (as "Patriots’ Day") a public school observance in several other states. It commemorates the April 19, 1775 Battles of Lexington and Concord, the first armed engagements of the American Revolutionary War.

US
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Apr

Showa Day - April 29, the first postwar Japanese national holiday honoring Emperor Hirohito

Japan's Showa Day (Showa no Hi) on April 29 was established in 1949 as Greenery Day to honor Emperor Hirohito's birthday. It was renamed in 1989 after Hirohito's death, transforming it into a day of reflection on the Showa era (1926-1989) and the first of four Golden Week holidays.

JP
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Apr

Kartini Day - April 21, the Indonesian observance honoring R.A. Kartini and women's empowerment

Kartini Day on April 21 is the Indonesian national observance honoring Raden Adjeng Kartini, a Javanese noblewoman and women's rights pioneer. Established in 1964, it is a public holiday in Indonesia. The day commemorates Kartini's 1879 birth and her advocacy for women's education and emancipation in the Dutch East Indies.

ID
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