Editing October 15 (section)

===Pre-1600===
*[[1066]] &ndash; Following the death of Harold II at the [[Battle of Hastings]], [[Edgar the Ætheling]] is proclaimed King of England by the [[Witan]]; he is never crowned, and concedes power to [[William the Conqueror]] two months later.<ref>{{cite book|first=Michael|last=Ashley|title=British Monarchs: The Complete Genealogy, Gazetteer, and Biographical Encyclopedia of the Kings & Queens of Britain|url=https://books.google.com/books?id=tz6gAAAAMAAJ|year=1998|publisher=Robinson|page=497|isbn=9781854875044}}</ref>
*[[1211]] &ndash; [[Battle of the Rhyndacus (1211)|Battle of the Rhyndacus]]: The [[Latin emperor]] [[Henry of Flanders]] defeats the [[Nicaean emperor]] [[Theodore I Laskaris]].<ref>{{cite book|author=Αλέξης Γ. Κ Σ[alpha][beta][beta]ίδης|title=Μελετήματα βυζαντινής προσωπογραφίας και τοπικής ιστορίας: ανατύπωση άρθρων 1981–1991|url=https://books.google.com/books?id=sthAAAAAMAAJ|year=1992|publisher=Hērodotos|isbn=978-960-7290-37-3|page=102}}</ref>
*[[1529]] &ndash; The [[Siege of Vienna (1529)|Siege of Vienna]] ends when Austria routs the invading Ottoman forces, ending its European expansion.
*[[1582]] &ndash; [[Adoption of the Gregorian calendar]] begins, eventually leading to near-universal adoption.