Editing December 24 (section)

===Pre-1600===
* [[AD 502|502]] &ndash; [[Emperor of China|Chinese emperor]] [[Emperor Wu of Liang|Xiao Yan]] names [[Xiao Tong]] his heir designate.<ref>{{Cite book |url=https://books.google.com/books?id=OWLPBAAAQBAJ&dq=Xiao+Yan+Xiao+Tong+heir+designate+502+december&pg=PA1503 |title=Ancient and Early Medieval Chinese Literature (vol. 3 & 4): A Reference Guide, Part Three & Four |date=2014-09-18 |publisher=BRILL |isbn=978-90-04-27185-2 |language=en}}</ref>
* [[640]] &ndash; [[Pope John IV]] is elected, several months [[Sede vacante|after his predecessor's death]].<ref>{{cite web |title=The Cardinals of the Holy Roman Church-Biographical Dictionary-Honorius I (625-638)-636 (II) |url=http://www2.fiu.edu/~mirandas/bios636.htm |publisher=Florida International University |access-date=23 October 2021 |archive-url=https://web.archive.org/web/20100613051048/http://www2.fiu.edu/~mirandas/bios636.htm |archive-date=13 June 2010 |date=1998–2010 |url-status=dead}}</ref>
* [[759]] &ndash; [[Tang dynasty]] poet [[Du Fu]] [[Du Fu#Chengdu|departs for Chengdu]], where he is hosted by fellow poet [[Pei Di]].
* [[971]] &ndash; [[Battle of Ayn Shams (971)|Battle of Ayn Shams]]: The [[Fatimid Caliphate|Fatimids]] under [[Jawhar (general)|Jawhar]] defeat the [[Qarmatians]] at the gates of [[Cairo]], putting an end to the [[First Qarmatian invasion of Egypt]].<ref>{{cite book | last = Brett | first = Michael | title = The Rise of the Fatimids: The World of the Mediterranean and the Middle East in the Fourth Century of the Hijra, Tenth Century CE | series = The Medieval Mediterranean | volume = 30 | publisher = Brill | location = Leiden, Boston, Köln | year = 2001 | isbn = 90-04-11741-5 | url = {{Google Books|BqCdfhW3nVwC|plainurl=y}} | pages=314–315}}</ref>
*[[1144]] &ndash; The capital of the [[Crusades|crusader]] [[County of Edessa]] [[Siege of Edessa (1144)|falls]] to [[Imad ad-Din Zengi]], the [[atabeg]] of [[Mosul]] and [[Aleppo]].<ref>{{cite book|last=Baldwin|first=M. W.|title=A History of the Crusades Volume I: The first hundred years|date=1969|publisher=University of Wisconsin Press|location=Madison, Wisconsin|isbn=0-299-04834-9|page=461|url=http://digital.library.wisc.edu/1711.dl/History.CrusOne|access-date=October 23, 2021}}</ref>
*[[1294]] &ndash; [[Pope Boniface VIII]] is elected, replacing [[Pope Celestine V|St. Celestine V]], who had [[Papal resignation|resigned]].<ref>{{Cite EB1911|wstitle=Boniface}}</ref>
*[[1500]] &ndash; A joint [[Republic of Venice|Venetian]]–[[Spain|Spanish]] fleet [[Siege of the Castle of St. George|captures]] the Castle of St. George on the island of [[Cephalonia]].<ref>{{cite book |last1=Setton |first1=Kenneth Meyer |author1-link=Kenneth Setton |title=The Papacy and the Levant, 1204-1571 Volume 2 |date=1976 |publisher=American Philosophical Society |isbn=0-87169-127-2 |page=523 |url=https://books.google.com/books?id=0Sz2VYI0l1IC}}</ref>