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Pius I

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• Pius II

  noun 1. (Enea Silvio de Piccolomini) 1405–64, Italian ecclesiastic: pope 1458–64. /ˈpaɪəs/ noun 1. pen name Aeneas Silvius, original name Enea Silvio de’ Piccolomini. 1405–64, Italian ecclesiastic, humanist, poet, and historian; pope (1458–64)

• Pius III

  noun 1. (Francesco Nanni Todeschini Piccolomini) 1439–1503, Italian ecclesiastic: pope 1503.

• Pius IV

  noun 1. (Giovanni Angelo Medici) 1499–1565, Italian ecclesiastic: pope 1559–65. noun 1. original name Giovanni Angelo de’ Medici. 1499–1565, pope (1559–65). He reconvened the Council of Trent (1562), confirming its final decrees

• Pius IX

  noun 1. (Giovanni Maria Mastai-Ferretti) 1792–1878, Italian ecclesiastic: pope 1846–78. noun 1. original name Giovanni Maria Mastai-Ferretti. 1792–1878, Italian ecclesiastic; pope (1846–78). He refused to recognize the incorporation of Rome and the Papal States in the kingdom of Italy, confining himself to the Vatican after 1870. He decreed the dogma of the Immaculate Conception (1854) […]

• Pius V

  noun 1. Saint (Michele Ghislieri) 1504–72, Italian ecclesiastic: pope 1566–72. noun 1. Saint. original name Michele Ghislieri. 1504–72, Italian ecclesiastic; pope (1566–72). He attempted to enforce the reforms decreed by the Council of Trent, excommunicated Elizabeth I of England (1570), and organized the alliance that defeated the Turks at Lepanto (1571). Feast day: 30 April

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