Feast of Saint Marinus and Foundation Day in Citta di San Marino
The Feast of Saint Marinus and Foundation Day, celebrated every third of September, is San Marino's national day, marking both the feast of its patron saint and the legendary founding of the Republic in the year 301. It is a full public holiday centered on Citta di San Marino's historic center.
According to tradition, a stonemason named Marinus left the Dalmatian island of Rab in the early fourth century, fleeing persecution of Christians under the Roman Empire, and found work quarrying stone on the Italian peninsula.