2005: Death of John Paul II (r. 1978-2005), the second longest-reigning pope in history.
1688: Death of the Roman sculptor Cosimo Fancelli (b. 1618), who was a pupil of Gian Lorenzo Bernini.
1566: Death of the painter Daniele Ricciarelli, better known as Daniele da Volterra (b. 1509). Shortly after Michelangelo's death, Volterra was hired to paint cloths over the naked genitals in the fresco of the Last Judgement, which earned him the nickname Il Braghettone (the breeches maker).
1520: Death of the great Renaissance painter Raphael (b. 1483), who is buried in the Pantheon.
1655: Election of Pope Alexander VII (r. 1655-67).
1555: Election of Pope Marcellus II, who only reigned for 22 days. Marcello Cervini degli Spanocchi was the last pope not to change his name on becoming pontiff.
1585: Death of Pope Gregory XIII (r. 1572-85), who is, perhaps, best remembered for revising the Julian calendar. The new Gregorian calendar came into effect in October 1582.
1514: Death of the architect Donato Bramante (b. 1444).
352: Death of Pope Julius I (r. 337-52), who is thought to have set December 25th as the official date of the birth of Jesus, thus creating Christmas.
Birth of the architect Giuseppe Valadier (d. 1839).
1936: Death of the composer Ottorino Respighi (b. 1879). The tone poem Fontane di Roma is, perhaps, his most famous composition.
1689: Death of Christina, Queen of Sweden (b. 1626).
2005: Election of Pope Benedict XVI (r. 2005-13).
1922: Death of the singer Alessandro Moreschi (b. 1858), who is thought to have been the last castrato. Moreschi is buried in the Monumental Cemetery of Verano.
1585: Election of Pope Sixtus V (1585-90).
1472: Death of the Renaissance polymath Leon Battista Alberti (b. 1404).
1595: Death of the poet Tarquato Tasso (b. 1544), who penned the epic poem Gerusalemme liberata.
121 CE: Birth of Marcus Aurelius, the last of the 'Five Good Emperors'.
1937: Death of Antonio Gramsci (b. 1891), left-wing intellectual and author of the Prison Notebooks. Gramsci is buried in the Non-Catholic Cemetery, also known as the 'Protestant' or 'English' Cemetery.
2014: Canonisation of Pope John XXIII (r. 1958-63) and Pope John Paul II (r. 1978-2005) by Pope Francis (r. 2013-).
1380: Death of St Catherine of Siena (b. 1347), who is interred in the church of Santa Maria sopra Minerva.