Petrus Camper | Petrus Plancius | Petrus | Petrus Ramus | Petrus Christus | Lars Petrus | Jacques Fred Petrus | Petrus Van der Velden | Petrus Hofstede de Groot | Petrus de Natalibus | Petrus Codde | Petrus Canisius van Lierde | Petrus Astronomus | Petrus Alphonsi | Petrus Alfonsi's Tetragrammaton | Joseph Petrus Hendrik Crowe |
During the 1970s, and particularly after democracy was established after the 1974 Carnation Revolution, Portugal became home to an active progressive rock scene, which included bands like Tantra, Petrus Castrus, Banda do Casaco and the highly successful Quarteto 1111.