Pope Alexander IV died on 1261-05-25.
Pope Urban IV succeeded Alexander IV.
Pope Alexander IV was born in 1199.
Pope Alexander I died in 115.
Pope Felix IV died in 530.
Pope Cyril IV of Alexandria died in 1861.
Pope Leo IV died on 855-07-17.
Pope John IV died on 642-10-12.
Pope Sergius IV died on 1012-05-12.
Pope Urban IV died on 1264-10-02.
Pope Stephen IV died on 817-01-24.
Pope Martin IV died on 1285-03-28.
Pope Gregory IV died on 844-01-11.