Roman Catholic Archdiocese of Galveston–Houston ""Mother Church of Texas"". The prefecture was elevated to a vicariate apostolic on July 10, 1841. On May 4, 1847, the vicariate became the Diocese of Galveston in the Province of New Orleans and St. Mary Cathedral Basilica was designated the cathedral. In 1926, the then-diocese was placed in the newly created Province of San Antonio. After the devastating Galveston Hurricane of 1900, Houston began to expand after the Port of Houston was completed. At the request of Wendelin J. Nold, fifth bishop of Galveston, Pope John XXIII authorised the construction of a co-cathedral of convenience in Houston, and on
Galveston, Texas the plan to raise much of the existing city to a sufficient elevation behind a seawall so that confidence in the city could be maintained. The city developed the city commission form of city government, known as the "Galveston Plan", to help expedite recovery. Despite attempts to draw investment to the city after the hurricane, Galveston never returned to its levels of national importance or prosperity. Development was also hindered by the construction of the Houston Ship Channel, which brought the Port of Houston into competition with the natural harbor of the Port of Galveston for sea traffic. To further