Roman Catholic Diocese of Helena 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, Idaho, and Montana. Before becoming a diocese, this was the Vicariate of Montana (covering the whole territory and then state of Montana). For its first twenty years, the diocese served all of Montana. In 1904 the new Diocese of Great Falls-Billings
Helena, Alabama Birmingham reached Helena in the late 20th century. Numerous residential and commercial developments spurred improvements in city facilities and services. By the early 21st century, Helena was experiencing large population gains, and growing pains, as a result of its convenient location and high quality of life. Helena is located at (33.279715, -86.856060). According to the U.S. Census Bureau, the city has a total area of , of which is land and (0.12%) is covered by water. The Cahaba River and its tributary Buck Creek run through Helena. Buck Creek is dammed upstream of Alabama State Route 261 in the Old