La Laguna Cathedral February 1819, a papal bull approved the division of the Roman Catholic Diocese of Canarias in two dioceses. The temple became a cathedral in 1819 by bull of Pope Pius VII, and the new diocese of La Laguna was created. The Diocese of San Cristóbal de La Laguna includes the islands of Tenerife, La Palma, La Gomera and El Hierro in the province of Santa Cruz de Tenerife. In obtaining the title of cathedral and the creation of the Diocese it had an important role priest Cristóbal Bencomo y Rodríguez, confessor of King Ferdinand VII of Spain and Titular Archbishop
Conquest of the Canary Islands coalesced with these expeditions. La Gomera and El Hierro are depicted in the 1367 portolan of the brothers Domenico and Francesco Pizzigano. The Catalan Atlas of 1375 shows the Canaries almost completely and accurately mapped (only La Palma is missing). The eleven islands are named in the Catalan Atlas (from east to west) as "Graciosa" (La Graciosa),"laregranza" (Alegranza), "rocho" (Roque), "Insula de lanzaroto maloxelo" (Lanzarote), "insula de li vegi marin" (Lobos), "forteventura" (Fuerteventura), "Insula de Canaria" (Gran Canaria), "Insula del infernio" (Tenerife), "insula de gomera" (La Gomera), "insula de lo fero" (El Hierro). The name 'tenerefiz' is first given alongside