Antipope Clement III

1025 - 1100

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Guibert or Wibert of Ravenna (c. 1029 – 8 September 1100) was an Italian prelate, archbishop of Ravenna, who was elected pope in 1080 in opposition to Pope Gregory VII and took the name Clement III. Gregory was the leader of the movement in the church which opposed the traditional claim of European monarchs to control ecclesiastical appointments, and this was opposed by supporters of monarchical rights led by the Holy Roman Emperor. This led to the conflict known as the Investiture Controversy. Read more on Wikipedia

Since 2007, the English Wikipedia page of Antipope Clement III has received more than 135,113 page views. His biography is available in 32 different languages on Wikipedia (up from 31 in 2019). Antipope Clement III is the 90th most popular social activist (down from 75th in 2019), the 934th most popular biography from Italy (down from 874th in 2019) and the 4th most popular Social Activist.

Clement III was the first pope to be elected by a conclave of cardinals, which was the result of a series of quarrels and violence in Rome. Clement III is most famous for being the first pope to be elected by a conclave of cardinals.

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  • 32

    Languages Editions (L)

  • 8.30

    Effective Languages (L*)

  • 2.36

    Coefficient of Variation (CV)

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Among social activists, Antipope Clement III ranks 90 out of 538Before him are Dragutin Dimitrijević, Amílcar Cabral, Errico Malatesta, Abdul Basit 'Abd us-Samad, Fra Dolcino, and Augusto César Sandino. After him are Ernesto Teodoro Moneta, René Cassin, Syed Ahmad Khan, Pier Gerlofs Donia, Jenny von Westphalen, and Louise Michel.

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Among people born in 1025, Antipope Clement III ranks 2Before him is Anne of Kiev. After him are Agnes of Poitou, Rudolf of Rheinfelden, Emperor Go-Reizei, Floris I, Count of Holland, Werner I, Count of Klettgau, John Italus, Ruben I, Prince of Armenia, and Edith of Wessex. Among people deceased in 1100, Antipope Clement III ranks 4Before him are Godfrey of Bouillon, William II of England, and Parascheva of the Balkans. After him are Emperor Zhezong, George Kedrenos, Gudrid Thorbjarnardóttir, Naropa, Bretislav II, Edmund of Scotland, and Leonti Mroveli.

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In Italy

Among people born in Italy, Antipope Clement III ranks 934 out of 4,668Before him are Eleonora Gonzaga (1630), Ercole I d'Este, Duke of Ferrara (1431), Francesca Caccini (1587), Ulisse Aldrovandi (1522), Francesco Melzi (1491), and Andrea Gabrieli (1533). After him are Mina (1940), Roger de Flor (1267), John Singer Sargent (1856), Anna Maria Luisa de' Medici (1667), Hormizd I (250), and Sextus Pompey (-67).


Among social activists born in Italy, Antipope Clement III ranks 4Before him are Beatrice Cenci (1577), Errico Malatesta (1853), and Fra Dolcino (1250). After him are Ernesto Teodoro Moneta (1833), Frank Costello (1891), Andreas Hofer (1767), Beppe Grillo (1948), Moses Montefiore (1784), Giuseppe Pinelli (1928), Franca Viola (1948), and Giuseppe Impastato (1948).