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  2. Pope Callixtus III - Wikipedia

    en.wikipedia.org/wiki/Pope_Callixtus_III

    The pope approved of the establishment of the University of Greifswald in 1456. According to one story that first appeared in a 1475 posthumous biography and was subsequently embellished and popularized by Pierre-Simon Laplace , Callixtus III excommunicated the 1456 appearance of Halley's Comet , believing it to be an ill omen for the Christian ...

  3. Antipope Callixtus III - Wikipedia

    en.wikipedia.org/wiki/Antipope_Callixtus_III

    Callixtus III (also Calixtus III or Callistus III; died between 1180 and 1184) was an antipope from September 1168 until his resignation in August 1178. He was the third antipope elected in opposition to Pope Alexander III during the latter's struggle with the Emperor Frederick Barbarossa. Callixtus' baptismal name was John.

  4. Pope Callixtus I - Wikipedia

    en.wikipedia.org/wiki/Pope_Callixtus_I

    Pope Callixtus I (Greek: Κάλλιστος), also called Callistus I, was the bishop of Rome (according to Sextus Julius Africanus) from c. 218 to his death c. 222 or 223. [3] He lived during the reigns of the Roman emperors Elagabalus and Alexander Severus. Eusebius and the Liberian catalogue list his episcopate as having lasted five years ...

  5. 1458 papal conclave - Wikipedia

    en.wikipedia.org/wiki/1458_Papal_conclave

    Pope Callixtus III, the first pope of the House of Borgia, died on August 6, 1458. [1] He was severely criticized due to his nepotism and devotion towards his compatriots of Catalonia, making him very unpopular among the rather xenophobic Roman populace.

  6. Callistus - Wikipedia

    en.wikipedia.org/wiki/Callistus

    Patriarch Callistus I of Constantinople, patriarch from 1350 to 1353 and from 1354 to 1363; Patriarch Callistus II of Constantinople, patriarch in 1397; Saint Callixtus I, pope from c. 217 to 222; Pope Callixtus II, pope from 1119 to 1124; Antipope Callixtus III, antipope from 1168 to 1178; Pope Callixtus III, pope from 1455 to 1458

  7. Pope Callixtus II - Wikipedia

    en.wikipedia.org/wiki/Pope_Callixtus_II

    Pope Callixtus II or Callistus II (c. 1065 – 13 December 1124), born Guy of Burgundy, was the head of the Catholic Church and ruler of the Papal States from February 1119 to his death in 1124. [1] His pontificate was shaped by the Investiture Controversy , which he was able to settle through the Concordat of Worms in 1122.

  8. Pope Callixtus - Wikipedia

    en.wikipedia.org/wiki/Pope_Callixtus

    Pope Callixtus has been the ... (217–222) Pope Callixtus II (1119–1124) Pope Callixtus III (1455–1458) See also. Antipope Callixtus III; List of popes ...

  9. Francesco Coppini - Wikipedia

    en.wikipedia.org/wiki/Francesco_Coppini

    Francesco Coppini or dei Coppini (born before 1415 in Prato, died as Ignatius on 29 September 1464 in Rome) ... Pope Callistus III appointed him bishop of Terni in 1458.