Pope John XXI

1215 - 1277

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Pope John XXI (Latin: Ioannes XXI; c. 1215 – 20 May 1277), born Pedro Julião (Latin: Petrus Iulianus), was head of the Catholic Church and ruler of the Papal States from 8 September 1276 to his death. Apart from Damasus I (from Roman Lusitania), he has been the only Portuguese pope. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pope John XXI has received more than 291,150 page views. His biography is available in 64 different languages on Wikipedia (up from 62 in 2019). Pope John XXI is the 319th most popular religious figure (up from 331st in 2019), the 18th most popular biography from Portugal (down from 14th in 2019) and the 3rd most popular 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

  • 290k

    Page Views (PV)

  • 69.87

    Historical Popularity Index (HPI)

  • 64

    Languages Editions (L)

  • 9.66

    Effective Languages (L*)

  • 3.19

    Coefficient of Variation (CV)

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Among religious figures, Pope John XXI ranks 319 out of 2,238Before him are Bahá'u'lláh, Pope Marinus I, Marcion of Sinope, Pope Pelagius II, Pope Anacletus, and Abu Hurairah. After him are Pope John I, Pope Zachary, Pope Stephen IV, Pope Adrian V, Pope Callixtus I, and Pope Leo IV.

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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, Hethum I, King of Armenia, William of Moerbeke, Beatrice d'Este, Queen of Hungary, David VII of Georgia, Mécia Lopes de Haro, and Zdislava Berka. 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 18 out of 555Before him are Pope Damasus I (305), Luís de Camões (1524), Afonso I of Portugal (1109), Pedro I of Brazil (1798), Cristiano Ronaldo (1985), and Isabella of Portugal (1503). After him are Sebastian of Portugal (1554), José Mourinho (1963), John II of Portugal (1455), António Egas Moniz (1874), Afonso de Albuquerque (1453), and John I of Portugal (1358).


Among religious figures born in Portugal, Pope John XXI ranks 3Before him are Anthony of Padua (1195) and Pope Damasus I (305). After him are Sister Lúcia (1907), John of God (1495), Beatrice of Silva (1424), Pelagio Galvani (1165), José Saraiva Martins (1932), António de Andrade (1580), John de Britto (1647), Manuel Monteiro de Castro (1938), and José Policarpo (1936).