Pope John XXI

1215 - 1277

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Pope John XXI (Latin: Ioannes XXI, Portuguese: João XXI; c. 1215 – 20 May 1277), born Pedro Julião (Latin: Petrus Iulianus), was the bishop of Rome and head of the Catholic Church from 8 September 1276 to his death. He is the only Portuguese pope in history. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pope John XXI has received more than 352,106 page views. His biography is available in 65 different languages on Wikipedia (up from 64 in 2019). Pope John XXI is the 303rd most popular religious figure (up from 325th in 2019), the 17th most popular biography from Portugal (up from 18th in 2019) and the 2nd most popular Portuguese Religious Figure.

Pope John XXI was most famous for being the first pope to be born in the western hemisphere. He was born in 1225 and died in 1277.

Memorability Metrics

  • 350k

    Page Views (PV)

  • 71.23

    Historical Popularity Index (HPI)

  • 65

    Languages Editions (L)

  • 11.49

    Effective Languages (L*)

  • 2.84

    Coefficient of Variation (CV)

Page views of Pope John XXIS by language

Over the past year Pope John XXI has had the most page views in the with 33,504 views, followed by English (29,724), and Italian (12,184). In terms of yearly growth of page views the top 3 wikpedia editions are Ido (101.08%), Breton (99.44%), and Latin (45.40%)


Among religious figures, Pope John XXI ranks 303 out of 3,187Before him are Ignatius of Antioch, Pope Eugene II, Pope Gregory III, Tiye, Abd Allah ibn al-Zubayr, and Habakkuk. After him are Pope Gregory V, Abu Dawood, Saint Sava, Jacques de Molay, Pope Agatho, and Amenhotep I.

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Among people born in 1215, Pope John XXI ranks 3Before him are Kublai Khan, and Pope Celestine V. After him are Pope Nicholas III, Violant of Hungary, Otto III, Margrave of Brandenburg, William of Moerbeke, David VII of Georgia, Eleanor of England, Countess of Leicester, Mécia Lopes de Haro, Hethum I, King of Armenia, and Beatrice d'Este, Queen of Hungary. Among people deceased in 1277, Pope John XXI ranks 2Before him is Baibars. After him are Stefan Uroš I, Konstantin Tih, and Muhammad I al-Mustansir.

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In Portugal

Among people born in Portugal, Pope John XXI ranks 17 out of 633Before him are Fernando Pessoa (1888), Luís de Camões (1524), Manuel I of Portugal (1469), José Mourinho (1963), Afonso I of Portugal (1109), and Pedro I of Brazil (1798). After him are Isabella of Portugal (1503), Afonso de Albuquerque (1453), Sebastian of Portugal (1554), John I of Portugal (1358), António Egas Moniz (1874), and Manuel II of Portugal (1889).


Among religious figures born in Portugal, Pope John XXI ranks 2Before him are Anthony of Padua (1195). After him are Sister Lúcia (1907), John of God (1495), Cristóvão Ferreira (1580), Beatrice of Silva (1424), Alexandrina of Balazar (1904), José Saraiva Martins (1932), Pelagio Galvani (1165), John de Britto (1647), Manuel Clemente (1948), and Manuel Monteiro de Castro (1938).