Coal of a permanent brazier of coal on the altar of Minerva at Aquae Sulis (modern day Bath), although in fact easily accessible surface coal from what became the Somerset coalfield was in common use in quite lowly dwellings locally. Evidence of coal's use for iron-working in the city during the Roman period has been found. In Eschweiler, Rhineland, deposits of bituminous coal were used by the Romans for the smelting of iron ore. No evidence exists of the product being of great importance in Britain before about AD 1000, the High Middle Ages. Mineral coal came to be referred to
Roman Catholic Diocese of Acqui Roman Catholic Diocese of Acqui The Roman Catholic Diocese of Acqui () straddles the (civil) regions of Piedmont and Liguria, in northwest Italy. The ancient Roman name of the place was "Aquae Statiellae", which was sometimes confused with "Aquae Sentiae" (Aix-en-Provence), and "Aquae Augustae" (Dax), where there were also bishops. Acqui had always been subordinate to the Province of Milan, down until 1817, when Pope Pius VII assigned it to the Province of Turin. As a suffragan of the Archdiocese of Turin, it falls within the ecclesiastical region of Piedmont. It is probable that the diocese of Acqui was established