1590 Death Sixtus V, Felice Peretti/"Montalto", Pope (1585-90), dies at 68 1588 Event Pope Sixtus V decrees "Immense aeterni" (Reformed curia) 1585 Event Pope Sixtus excommunicates Hendrik van Navarra (Henri IV) 1521 Birthday Sixtus V, Felice Peretti/"Montalto", bishop of Fermo/Pope, 1585-90 1484 Death Sixtus IV, Francesco della Rovere, Pope (1471-84), dies 440 Event St. Sixtus III ends his reign as Catholic Pope 440 Death Sixtus III, Italian Pope (432-40), dies 432 Event St. Sixtus III begins his reign as Catholic Pope 259 Event Dionysius elected as bishop of Rome, succeeding Sixtus II 258 Event St. Sixtus II ends his reign as Catholic Pope 258 Death Sixtus II, bishop of Rome (257-58), beheaded 257 Event St. Sixtus II begins his reign as Catholic Pope
