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,
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