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San Marino National Holiday / Foundation of the Republic (301 A.D.) 2026 in San Marino

San Marino National Holiday / Foundation of the Republic (301 A.D.) falls on 2026-09-03 in the San Marino public holiday calendar.

  1. Thu, 03 Sep 2026San Marino National Holiday / Foundation of the Republic (301 A.D.)

    The supplied calendar lists San Marino’s National Holiday and Foundation of the Republic for September 3, 2026, as a public holiday. Its title associates the Republic’s foundation with 301 A.D.; the local name also refers to a patron and founder of the Republic. The record does not provide historical evidence for that date or describe ceremonies, nor does it explain the legal basis and coverage of the holiday. Those points require confirmation beyond the calendar listing.