Example image of eyePlorer eyePlorer map for 'Pope Gregory XV': 1554 1621 1623 February 9 January 15 January 9 July 8 Pope Paul V Bologna Canon law Pontifical Gregorian University Roman law Society of Jesus University of Bologna Charles Emmanuel I, Duke of Savoy Duchy of Savoy House of Gonzaga March of Montferrat Philip III of Spain Roman Catholic Archdiocese of Bologna Cardinal (Catholicism) Santa Maria in Traspontina Papal conclave Ludovico Ludovisi Colonna family Zagarolo Elba Niccolò Ludovisi Principality of Piombino Ferdinand II, Holy Roman Emperor Ottoman Empire Protestantism Sigismund III Vasa Witchcraft Deal with the Devil Acclamation (in Papal elections) November 15 Congregation for the Evangelization of Peoples January 6 Canonization Francis Xavier Ignatius of Loyola Isidore the Laborer Philip Neri Teresa of Ávila Aloysius Gonzaga Peter of Alcantara Baroque Guercino Alessandro Algardi