Aquae Sirenses Aquae Sirenses Aquae Sirenses (Acque Sirensi), also known as Aquaesirensis, is an ancient Roman colonia and a modern titular see of the Roman Catholic Church in Algeria. The name means Sirens Water, and was a bath town. The ruins of this ancient city are located near the thermal baths of Hammam Bou Hani. There are two known bishops of this ancient diocese. "Honoratus" who represented the Donatists at the Council of Carthage (411). The grave of his sister Robba, revered as a martyr by the Donatists, was found in Ala Miliaria recently. The other Bishop, Felix was among the Catholic
Free Imperial City of Aachen Free Imperial City of Aachen The Free Imperial City of Aachen, also known in English by its French name of Aix-la-Chapelle, was a Free Imperial City and spa of the Holy Roman Empire west of Cologne and southeast of the Low Countries, in the Lower Rhenish–Westphalian Circle. The pilgrimages, the Coronation of the Holy Roman Emperor, flourishing industries and the privileges conferred by various emperors made it one of the most prosperous market towns of the Holy Roman Empire. In 1166, Aachen was given imperial immediacy and declared a Free Imperial City of the Holy Roman Empire by Emperor Frederick