Pope John XXI died on 1277-05-20.
Pope John XXI was born in 1215.
Pope Paul VI was elected pope after the death of Pope John XXIII.
Pope John IX died in 900.
Pope John XI died in 936.
Pope John XV died in 996.
John Russell Pope died in 1937.
Pope John XVIII died in 1009-07.
Pope John XIX died in 1032-10.
Pope John VI died on January 11, 705.
John Henry Pope died on 1889-04-01.
Pope John IV died on 642-10-12.
John Pope-Hennessy died on 1994-10-31.