Roman Catholic Diocese of Helena was formed to serve eastern Montana. The seat of the diocese is in the Cathedral of St. Helena in the state capital of Helena. It was completed in 1914. The bishops of the Diocese of Helena and their years of service: Roman Catholic Diocese of Helena The Diocese of Helena () is the Catholic diocese for western Montana with its cathedral located in Helena, the state capital. The diocese was erected from the year-old Vicarate of Montana on March 7, 1884, while Montana was still a territory. The diocese is a suffragan of the Archdiocese of Portland, which encompasses Oregon,
Helena of Egypt Helena of Egypt Helena (active during the 4th century BC in Egypt) was a painter who learned her craft from her father, Timon, who was also an artist. She worked in the period after the death of Alexander the Great in 323 BC. Helena painted a scene of Alexander defeating the Persian ruler, Darius III, at the Battle of Issus in Southern Asia Minor. Pliny the Elder writes that “The Battle of Issus” was Helena’s only recorded work, of which there is a mosaic reproduction. Indeed, a mosaic reproduction was found in Pompeii. The attribution is disputed because of Helena's