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
St. Helena Parish, Louisiana St. Helena Parish, Louisiana St. Helena Parish () is a parish in the U.S. state of Louisiana. As of the 2010 census, the population was 11,203. Its seat is Greensburg. The parish was created in 1810. St. Helena Parish is part of the Baton Rouge, LA Metropolitan Statistical Area. The parish is one of the eight "Florida Parishes", a region which was once part of colonial West Florida. The area was annexed to the Territory of Orleans in 1810, after the short-lived Republic of West Florida capitulated to the United States. In 1832, the southern section of the parish was