The church of St. Francis stands on the square Rose entitled to the first lords of Sassuolo. It is important monument seventeenth century, testimony to the artistic will of the Este, who employed architects and painters of the nearby Palazzo Ducale, and the centuries-old devotion Sassuolo ancient crucifix called "Holy Trunk". Originally a church dedicated to the Holy Cross and then to St. Francis, which according to tradition passed from Sassuolo, It stood on the opposite side of the square. As part of the conversion works of the fortress wanted by Francesco d'Este, It was demolished and rebuilt in the face as the Palatine Chapel, from 1650, Roman of the architect Bartolomeo Avanzini. It was joined to the Ducal Palace room via a link, the so-called "secret corridors" that allowed the Duke of access it directly. In 1667 He began the construction of the choir of the project Loraghi, finished in 1779. During the nineteenth century. It was built the current tower designed by lots in 1842.
In the church were then carried out conservation work in the nineteenth century and early twentieth century, but not always adequately. In 1994 It was established a Committee for the restoration of the building, dall'Arciconfraternita composed of SS.Crocifisso, by representatives of entrepreneurs, by institutions and citizens, who he has been able to give back to the ancient monument artistic value.
Santo Trunk SassuoloNella church is venerated the Holy Trunk, miraculous crucifix which are the most devoted sassolesi, dall'Arciconfraternita that is exposed to the kiss of the faithful on Thursday and Good Friday, and carried in procession through the streets, with a large following of people, Holy Thursday.
The trunk and the same Holy Church entrusted to the lay of the Arch custody of SS.Crocifisso. established in 1588 by Marco Pio, lord of Sassuolo and his wife Clelia Farnese on 'example of Roman of San Marcello al Corso, He had as a statute duties worship of the crucifix, the practice of the spiritual and corporal works of mercy, assistance and comfort of those sentenced to death, the assignment of dowry to poor girls of proven honesty; also he could get, once a year, the release of a death row inmate. Today it continues the care of the church and of all that is contained, to promote art and culture in the same and in religious devotion, particularly addressed to S. Trunk.

The current cross is not likely to Byzantine forms brought from Turkey by Pio and whose memory is lost, but with seventeenth-century wooden cross and Christ painted papier-mâché, and if Correda, in Baroque style of the statues in silver wood kneeling Magdalene and two little angels with glasses.