Day of the Institutions of Cantabria
The Day of the Institutions of Cantabria on 28 July recalls the 1778 assembly at Puente San Miguel that shaped Cantabrian self-organisation.
What it means
It is Cantabria’s institutional holiday, celebrating historical self-government and modern autonomy.
Origin and history
On 28 July 1778 the Casa de Juntas at Puente San Miguel approved ordinances uniting the Nine Valleys as Cantabria; the autonomous community observes that anniversary.
How it is observed in Spain
Official acts at Puente San Miguel with cultural programming; regional public holiday.
Interesting facts
- Fixed venue: Puente San Miguel (Reocín).
- Marks the 1778 provincial ordinances of the Nine Valleys.
- Separate from the 15 September patroness feast.
Check the 2026 dates
Holiday status depends on place. See the official calendar pages for the locations covered by this guide.