Editing Pope Leo IV (section)

==Iconography==
Leo IV had the figure of a rooster placed on the [[Old St. Peter's Basilica]] or old [[Constantine I|Constantinian]] basilica<ref>ST PETER'S BASILICA.ORG - Providing information on St. Peter's Basilica and Square in the Vatican City - The Treasury Museum [http://saintpetersbasilica.org/Interior/Sacristy-Treasury/Items/Museum-8.htm]</ref> which has served as a religious [[icon]] and reminder of [[Peter's denial]] of Christ since that time, with some churches still having the [[cockerel]] on the steeple today. It is reputed that [[Pope Gregory I]] had previously said that the cock (rooster) "was the most suitable emblem of Christianity", being "the emblem of St Peter".<ref name=Forlong>{{cite web| url = https://www.google.com/search?tbm=bks&hl=en&q=Forlong+%22emblem+of+St+Peter%22| title = John G. R. Forlong, ''Encyclopedia of Religions'': A-d - Page 471}}</ref><ref name="Antiquary">The Antiquary: a magazine devoted to the study of the past, Volume 17 edited by [[Edward Walford]], [[John Charles Cox]], George Latimer Apperson - page 202 [https://books.google.com/books?id=jeAmWNkmpHUC&dq=sixth+century+Pope+Gregory+the+cock+the+emblem+of+Christianity&pg=PA202]</ref> After Leo IV, Pope Nicholas I, who had been made a deacon by Leo IV, decreed that the figure of the cock (rooster) should be placed on every church.<ref>How the Chicken Conquered the World - By Jerry Adler and Andrew Lawler - Smithsonian magazine, June 2012 [http://www.smithsonianmag.com/history-archaeology/How-the-Chicken-Conquered-the-World.html] {{Webarchive|url=https://web.archive.org/web/20121105205702/http://www.smithsonianmag.com/history-archaeology/How-the-Chicken-Conquered-the-World.html|date=5 November 2012}}</ref>