History of Saint Petersburg
Founded by Tsar Peter the Great on 27 May 1703. It became capital of the Russian Empire for more than two hundred years (1712–1728, 1732–1918). St. Petersburg ceased being the capital in 1918 after the Russian Revolution of 1917.
Roman Catholic Diocese of Saint Petersburg
The Diocese of St. Petersburg was established on June 17, 1968, from the Roman Catholic Diocese of St. Augustine and the Roman Catholic Archdiocese of Miami. It is a suffragan see for the Province of Miami. It comprises , and it includes the five counties of Pinellas, Hillsborough, Pasco, Hernando, and Citrus on the west central coast of the State of Florida, along the shore of the Gulf of Mexico. The total population is 3,030,936, with a Catholic population of 398,702. The principal cities are Tampa, St. Petersburg, and Clearwater.