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Pope John I
head of the Catholic Church
Years: 470 - 526
Pope John I (470 – 18 May 526) is the head of the Catholic Church from August 13, 523, to his death in 526.
He is a native of Siena (or the "Castello di Serena"), near Chiusdino, in Italy.
He is the first pope known to have visited Constantinople while in office.
