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National Sovereignty Day

Guide to the date, history, cultural origins and celebration traditions of National Sovereignty Day in Argentina.

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History & Origins of National Sovereignty Day

National Sovereignty Day (Día de la Soberanía Nacional) in Argentina, observed on the fourth Monday of November, commemorates the historic Battle of Vuelta de Obligado on November 20, 1845. In this pivotal battle, Argentine forces led by General Lucio Mansilla, despite being heavily outnumbered, bravely resisted a joint Anglo-French naval blockade of the Paraná River, defending Argentina's territorial integrity and river sovereignty.

How It Is Observed & Celebrated

Observed with patriotic historical exhibitions, political rallies, school lectures on national sovereignty, and a long holiday weekend for domestic travel.

Quick Facts Card

Country: Argentina
Holiday Name: National Sovereignty Day
Date (2026): November 23
Day (2026): Monday
Observance Type: Statutory
Observed In: National (Argentina)
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Date Reference Matrix (3-Year Range)

Year Calendar Date Day of the Week Status
2025 November 24, 2025 Monday Official Statutory Day Off
2026 November 23, 2026 Current Year Monday Official Statutory Day Off
2027 November 20, 2027 Saturday Official Statutory Day Off