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John X (born, Tossignano, near Imola, Romagna [Italy]β€”died 929, Rome) was the pope from 914 to 928. He was archbishop of Ravenna (c. 905–914) when chosen to succeed Pope Lando about March 914. John approved the severe rule of the newly founded Benedictine order of Cluny. To drive the Saracens (Muslim enemies) from southern Italy, John allied with the Byzantine emperor Constantine IV and King Berengar I of Italy. In August 915, with the Roman...