Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

External Websites
Britannica Websites
Articles from Britannica Encyclopedias for elementary and high school students.

Celestine IV (born, Milan [Italy]—died Nov. 10, 1241) was the pope from October 25 to Nov. 10, 1241. The nephew of Pope Urban III, Celestine had been made cardinal priest of St. Mark’s in 1227 and cardinal bishop of Sabina in 1239 by his predecessor, Gregory IX, whom he was elected to succeed on Oct. 25, 1241. He was the first pope to be elected in a conclave, which had been set up by the...