WEBCrisis of control. War of the Eight Saints. Injury and death. See also. Notes. References. External links. Pope Urban VI ( Latin: Urbanus VI; Italian: Urbano VI; c. 1318 – 15 October 1389), born Bartolomeo Prignano ( Italian pronunciation: [bartoloˈmɛːo priɲˈɲaːno] ), was head of the Catholic Church from 8 April 1378 to his death, in October 1389.