Día de la Revolución de Mayo2026 · Date · History · Messages
Argentina’s national government identifies May 25 as Día de la Revolución de Mayo y Primer Gobierno Patrio and treats it as an immovable national holiday.
About Día de la Revolución de Mayo
Día de la Revolución de Mayo is Argentina’s May 25 national commemoration of the events of May 1810 that led to the formation of the Primera Junta.
Under current Argentine law, May 25 is an immovable national holiday.
Why Día de la Revolución de Mayo matters
The date commemorates the political events culminating on May 25, 1810 in Buenos Aires and the formation of the first local governing junta.
The guide separates the historical commemoration from the current statutory holiday framework rather than treating modern law as the origin of the tradition.
History of Día de la Revolución de Mayo
Official archival material records celebrations from the first anniversary in 1811.
On May 6, 1813, the General Constituent Assembly declared May 25 a civic feast, known as the Fiestas Mayas.
Law 27,399 now lists May 25, Día de la Revolución de Mayo, among Argentina’s immovable national holidays.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Asamblea General Constituyente of 1813
Decree of 6 May 1813 declaring May 25 a civic feast (Fiestas Mayas)
First documented observance
A 2010 presidential decree states that May 25 had important commemorative celebrations from the first anniversary in 1811.
Established the current statutory framework listing May 25 as an immovable national holiday named Día de la Revolución de Mayo.
Congress of the Argentine Nation · Law 27,399
Government of Argentina
Current national-government pages and the national-holiday statute maintain the May 25 commemoration; this does not imply exclusive control over all celebrations.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
2 fields not established in reviewed sources
Later institutional actions
Later recognition, renaming, mergers or date changes are kept separate from original establishment.
Also known as
Argentina Revolution Day, May Revolution Day
How to Observe Día de la Revolución de Mayo
Read an official historical account of the May Revolution and Primera Junta.
Visit or study archival material about the Asamblea del Año XIII and the Fiestas Mayas.
Follow official civic or cultural programming connected with the May 25 commemoration.
Distinguish the historical events of 1810 from later legal rules governing the annual holiday.
Día de la Revolución de Mayo Facts
The fixed date is May 25.
Argentina’s Archivo General de la Nación records a May 6, 1813 decree declaring May 25 a civic feast.
Government material notes significant May 25 celebrations from the first anniversary in 1811.
Law 27,399 classifies May 25 as an immovable national holiday.
The modern holiday name is Día de la Revolución de Mayo.
Día de la Revolución de Mayo Messages
Wishing everyone marking Día de la Revolución de Mayo a thoughtful commemoration of the events and institutions that shaped Argentina.
May today encourage careful learning about the May Revolution and its historical context.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Remembrance Civic Context Care.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
Archivo General de la Nación — 1813 civic-feast decree catalog (opens in a new tab)
Argentina — Law 27,399 (opens in a new tab)
Official Legislation
Argentina.gob.ar — DNU 615/2010 (opens in a new tab)
Argentina.gob.ar — 25 de mayo, Día de la Revolución de Mayo (opens in a new tab)
National Government · Official Government
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is Día de la Revolución de Mayo?
25 May annually The documented recurrence rule is: 25 May.
Does Día de la Revolución de Mayo fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is Día de la Revolución de Mayo an official public holiday?
The reviewed sources verify it within this scope: Argentina / May Revolution national commemoration. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes Día de la Revolución de Mayo?
The reviewed sources identify Asamblea General Constituyente of 1813 as the proclaiming or establishing body. Current facilitation or coordination is recorded as Government of Argentina.
Is Día de la Revolución de Mayo international or country-specific?
This observance is specific to Argentina. Its fuller verified scope is: Argentina / May Revolution national commemoration.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-08.
When is Día de la Revolución de Mayo?
It is observed in Argentina on May 25 each year.
Why is May 25 significant?
It commemorates the events of May 1810 associated with the May Revolution and formation of the Primera Junta.
When was May 25 formally declared a civic feast?
Argentina’s national archive records a decree of the General Constituent Assembly dated May 6, 1813 declaring May 25 a civic feast.
Other observances on May 25
These observances are also listed on May 25, 2027.
African Liberation Day (African Day)
The official Government of The Gambia holiday list names May 25 as African Liberation Day (African Day).
Geek Pride Day
Spanish press coverage documents May 25 as Día del Orgullo Friki/Geek Pride Day and traces the organized Spanish observance to 2006.
Independence Day
Jordan’s Prime Ministry preserves the 25 May 1946 independence declaration, while the Foreign Ministry independently lists May 25 as Independence Day among current public holidays.
International Skin Pigmentation Day
Bella Aurora first-party pages document International Skin Pigmentation Day on 25 May 2021 and call the 2022 campaign the second year running, supporting a 2021 first edition; a later regis…
National Bath Bomb Day
National Day Archives records May 25 of each calendar year and identifies Desert Bath Company as the 2021 creator; current calendar coverage preserves the same date.
World Football Day
A/RES/78/281