National Day
Maintains National Day in the current statutory holiday framework with three holiday days on October 1–3.
See the observances and verified observance-history milestones attached to November 10. Each observance keeps its own source and date details.
Selected observance milestones connected to this date, based on reviewed sources.
Maintains National Day in the current statutory holiday framework with three holiday days on October 1–3.
The resolution was adopted at the 17th plenary meeting on 10 November 2011.
The formal 36th General Conference resolutions volume states that Resolution 38 was adopted on 10 November 2011.
UN Digital Library records A/RES/64/13 as adopted on 10 November 2009.
A United Nations report states that the first International Human Solidarity Day was launched at a ceremony on 10 November 2006 at UN Headquarters, where the Day’s logo was unveil…
The United Nations World Science Day page explicitly states that the first World Science Day for Peace and Development was celebrated worldwide on 10 November 2002 under UNESCO au…
Marine Corps history states formal commemoration of the birthday began November 10, 1921.
Order No. 47 directed the message to be read on 10 November 1921 and on 10 November every year thereafter.
A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.
UNESCO 31 C/Resolution 20
The Accounting Day organization identifies November 10 as International Accounting Day, and U.S. government/professional sources also recognize the date.
The U.S. Marine Corps states that Marines around the world celebrate the birth of the Corps each year on 10 November.
Official Marine Corps history establishes November 10, 1775 as the Corps birthday, Major Edwin McClellan’s 1921 proposal, and Commandant John A. Lejeune’s Marine Corps Order No. 47 directin…
The Accounting Day organization identifies November 10 as International Accounting Day, and U.S. government/professional sources also recognize the date.
The U.S. Marine Corps states that Marines around the world celebrate the birth of the Corps each year on 10 November.
Official Marine Corps history establishes November 10, 1775 as the Corps birthday, Major Edwin McClellan’s 1921 proposal, and Commandant John A. Lejeune’s Marine Corps Order No. 47 directin…
UNESCO 31 C/Resolution 20
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 →