World AIDS Day
United Nations observance
For 2026, these source-backed observances resolve to Tuesday, December 1. Recurring rules can move in another year, so each record keeps its own date logic.
A reviewed starting point drawn from prominent global observances with strong institutional or organizer provenance. Selection does not change each record’s official status or scope.
United Nations observance
Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Bifocals At The Monitor Liberation Day on December 1 and identifies Wellcat Holidays as their created, copyrighted holiday…
Finland's Ministry for Foreign Affairs diplomatic national-day registry lists the Central African Republic on December 1.
A 2011 law added December 1 as First President’s Day to Kazakhstan’s public-holiday law. Later legal changes removed it from the non-working holiday law, while the government’s current list…
Portugal’s Armed Forces commemorated Dia da Restauração da Independência on 1 December 2025, marking the restoration of national sovereignty in 1640; the Government’s national-holiday regis…
Chad’s Prime Minister’s office documented the official 1 December 2025 commemoration of the 35th Freedom and Democracy Day, and current constitutional/journal-official material lists 1 Dece…
GivingTuesday’s official 2026 participation page identifies December 1, 2026 and describes the event as a global generosity movement encouraging acts of kindness, advocacy, volunteering and…
Arunachal Pradesh government holiday calendars list Indigenous Faith Day on 1 December, including the 2024 notification and 2026 state portal calendar.
National Today and Days Of The Year independently place National Cookie Cutter Day on December 1 each year.
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Romania — National Day on 1 December. The source verifies the diplomatic national-day ident…
Williams Sonoma’s first-party releases identify December 1 as the annual National Peppermint Bark Day celebration; current observance history also attributes the holiday launch to Williams…
National Day Archives records December 1 and Amy O’Donnell as the creator in 2018.
War Resisters’ International documents 1 December as Prisoners for Peace Day and traces the observance to 1957; WRI annual reporting independently records the 1 December campaign date.
Government of Nagaland
United Nations observance
This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.
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