He did participate in the Papal conclave , 1471 which elected Pope Sixtus IV .
Fortiguerra was unable to participate in the Papal conclave , 1464 , which elected Pope Paul II .
Fortiguerra did participate in the Papal conclave , 1471 which elected Pope Sixtus IV .
Fortiguerra was unable to participate in the Papal conclave , 1464 , which elected Pope Paul II .