Pope Gregory XIII

1502 - 1585

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Pope Gregory XIII (Latin: Gregorius XIII; Italian: Gregorio XIII; 7 January 1502 – 10 April 1585), born Ugo Boncompagni, was head of the Catholic Church and ruler of the Papal States from 13 May 1572 to his death in 1585. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pope Gregory XIII has received more than 716,796 page views. His biography is available in 83 different languages on Wikipedia (up from 81 in 2019). Pope Gregory XIII is the 68th most popular religious figure (down from 66th in 2019), the 73rd most popular biography from Italy (up from 81st in 2019) and the 12th most popular Religious Figure.

Pope Gregory XIII was most famous for initiating the Gregorian calendar.

Memorability Metrics

  • 720k

    Page Views (PV)

  • 78.39

    Historical Popularity Index (HPI)

  • 83

    Languages Editions (L)

  • 15.29

    Effective Languages (L*)

  • 3.06

    Coefficient of Variation (CV)

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Among religious figures, Pope Gregory XIII ranks 68 out of 2,238Before him are Daniel, Pope Pius XI, Saint Valentine, John Chrysostom, Pope Sylvester I, and Muhammad al-Bukhari. After him are Pope Urban II, Pope Julius II, Pope Gregory VII, Pope Pius IX, Pope Paul VI, and Ruhollah Khomeini.

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Among people born in 1502, Pope Gregory XIII ranks 2Before him is Hurrem Sultan. After him are Atahualpa, John III of Portugal, La Malinche, Thomas Tallis, Pieter Coecke van Aelst, Miguel López de Legazpi, Pedro Nunes, Anthony Maria Zaccaria, Otto Henry, Elector Palatine, and Heinrich Aldegrever. Among people deceased in 1585, Pope Gregory XIII ranks 1After him are Ismihan Sultan, Yermak Timofeyevich, Pierre de Ronsard, Andrea Gabrieli, Thomas Tallis, Anne of Denmark, Electress of Saxony, Rembert Dodoens, Luca Cambiaso, and Nicolò da Ponte.

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In Italy

Among people born in Italy, Pope Gregory XIII ranks 73 out of 4,668Before him are Vitruvius (-75), Giacomo Casanova (1725), Pope Pius XI (1857), Saint Valentine (226), Pope Sylvester I (300), and Amedeo Modigliani (1884). After him are Frederick II, Holy Roman Emperor (1194), Livy (-59), Giorgio Vasari (1511), Pope Julius II (1443), Marcus Licinius Crassus (-115), and Ennio Morricone (1928).


Among religious figures born in Italy, Pope Gregory XIII ranks 12Before him are Pope Pius XII (1876), Pope Clement VII (1478), Benedict of Nursia (480), Pope Pius XI (1857), Saint Valentine (226), and Pope Sylvester I (300). After him are Pope Julius II (1443), Pope Gregory VII (1020), Pope Pius IX (1792), Pope Paul VI (1897), Pope Leo X (1475), and Girolamo Savonarola (1452).