The ancient city of Casinum had origins from an installation of the age of the iron on the slopes of the mountain that from it taken the name. After having been for some time in the orbit of the people of the Sannitis you/he/she was conquered by the Romans that they did an important commercial and handicraft center of it. It had a theater in age augustea, an amphitheater in the first century AD, the matron's gift Ummidia Quadratilla and varied temples. You/he/she was devastated by the Gotis, Vandals, Eruli and, abandoned by his/her inhabitants, reduced to a village, that, in the middle age, taking the name of S.Pietro to Monastery. With the arrival of S.Benedetto on the top of the mountain, in 529, the territory took back life and, under the guide of the abbots successors of Benedict, had an important role in the history of the south. 

The city was again founded, in the lowland, to a kilometer of distance in the actual site and taken the name of S.Germano from the homonym church. It was capital of the small state denominated Earth of S.Benedetto; the abbot of Montecassino was baron of it and administrator. It changed the name in Erases in 1863. During the second world war, central point of the line defensive German Gustav, was theater of sour fights and together with the millennial monastery, it was completely destroyed. In the postwar period life was given to the huge work of construction, that has done a modern devoted town of it to the commerce, to the industry and the religious and cultural tourism. Of the ancient age rests of polygonal boundaries remain along the side of the mountain and on the top, where the acropoli rose; as well as the theater (today used for theatrical shows), the amphitheater, long lines of roads, a grave monumental retention of ownership of the family of the Ummidis (then transformed in the Christian church), a garden of age augustea.

 The rests of a sumptuous villa of Mark Terenzio Varrone, on the sources of the Gari, I/you/they have been reduced to little thing from the last war. It goes up again to the century I decimate the Fortress Janula, built on the hill that dominates the city to defense of the superior monastery. To 1943/44 bloody fights memory the military shrines Polish, Germanic and British have been built, destination, every year, of sad pilgrimages of fellow countrymen with solemn ceremonies of commemoration. 
Abbazia di Montecassino 
You/he/she had founded from S. Benedetto from Norcia in 529. You/he/she has guarded the Latin culture and Christian in the darkest centuries of the Middle age and it accompanied the rebirth of it in the following centuries. Here S. Benedetto dictated the rule that became fundamental for the life of the monastic orders: "ora et labora". The abbey welcomes the visitors showing each other in the whole beauty of his/her three cloisters set on the southern side, that they communicate graces among them to three arcs. The most suggestive is the Cloister of the Bramante from whose balcony is possible to admire the ample and marvelous valley of Erases. 
The inside of the Abbey is to three aisles with plasters realized on the six hundred aboriginal sketch base. The dome is fresco with scenes of the life of S. Benedetto and S. Scolastica. The crypt is the only part of the abbey that has saved from the destruction of the II° world war: it preserves the relics of S. Benedetto and S. Scolastica.