Editing April 15 (section)

===Pre-1600===
* [[769]] &ndash; The [[Lateran Council (769)|Lateran Council]] ends by condemning the [[Council of Hieria]] and [[anathema]]tizing its [[Iconoclasm|iconoclastic]] rulings.<ref>{{cite book|last=von Hefele|first=Karl Joseph|title=A History of the Councils of the Church: From the Original Documents. Volume 5: A.D. 626 to close of Second Council of Nicea, 797|location=Edinburgh|publisher=T. & T. Clark|date=1896|oclc=10158388|url=https://books.google.com/books?id=sn_SNC11TTQC|page=338|postscript=none}}; {{cite book|last=Noble|first=Thomas F.X.|title=Images, Iconoclasm, and the Carolingians|location=Philadelphia, Pa.|publisher=University of Pennsylvania Press|date=2013|isbn=9780812222562|url=https://books.google.com/books?id=o_IADUZ-4yQC|page=146}}</ref>
*[[1071]] &ndash; [[Bari]], the last [[Byzantine Empire|Byzantine]] possession in southern Italy, [[siege of Bari|is surrendered]] to [[Robert Guiscard]].<ref>{{cite book|last=Vryonis| first=Spyros P. Jr. |chapter=Byzantine Society and Civilization|title=The Glory of Byzantium: Art and Culture of the Middle Byzantine Era, A.D. 843–1261|editor-last1=Evans|editor-first1=Helen C.|editor-last2=Wixom|editor-first2=William D.|location=New York|publisher=Metropolitan Museum of Art|date=1997|isbn=9780870997778|url=https://books.google.com/books?id=Caqa12aj55wC|page=15}}</ref>
*[[1450]] &ndash; [[Battle of Formigny]]: Toward the end of the [[Hundred Years' War]], the French attack and nearly annihilate English forces, ending English domination in Northern France.<ref>{{cite book|last=Burne|first=Alfred Higgins|title=The Agincourt War: A Military History of the Latter Part of the Hundred Years' War From 1369 to 1453|location=London|publisher=FrontLine Books|date=2014|isbn=9781848327658|url=https://books.google.com/books?id=2nOpBQAAQBAJ|pages=315, 322}}</ref>