San Geminiano: history, iconography and cult of Modena's patron saint

For Saint Geminianus, the patron saint of Modena, as for many bishops of late antiquity, there is very little certain information. 

According to tradition died on 31 January 397 and was probably born in the first decades of the 4th century, but it is not known exactly where: the tradition that he was born in Cognento dates back to the 16th century. 

It probably belonged to a upper-middle class familythe one that provided the managerial cadres and formed the backbone of the new religion, which had been officially recognised with the edict of Milan (313). It is impossible to say what studies he had carried out, except to make general reference to the presence of well-established Roman cultural traditions in Modena.

His episcopal election had to take place by acclamation by the local Christian communitywhile the consecration probably took place in Milan, the metropolitan see of the ecclesiastical province to which the bishopric of Modena belonged.

Of his historical figure we know nothing else: everything that has been handed down through writings, images, music is the result of a hagiographic tradition built on the absence of reliable datawith the aim of glorifying their exploits, perpetuating their memory and worship.

The existence of a considerable gap between the life of the saint and the formation of the related iconography has multiple justifications: the decline of the city in the early Middle Ages, the way in which the cult was formed, and the scarce historical consistency of the character. 

As in many other similar cases, the Modenese case was fundamental. cult of relicsan effective tool for spreading Christianity, promoted by St Ambrose in the second half of the 4th century.

The oldest images of San Geminiano appear in the context of the great wiligelmic shipyard and form the basis of the complex iconographic programme of the Princes' Gate, dated around 1110.

Throughout the 14th century, with a particular concentration in the first half of the century, the image of Modena's patron saint was replicated along the cathedral's exterior wallsas if to reaffirm and strengthen its ties with the city community: witness the fragments of frescoes exhibited today in the Sacred Art Room of the Modenese Civic Museums.