Editing 1417 (section)

=== July&ndash;September ===
* [[July 27]] &ndash; After being the last claimant to the papacy, the [[Antipope Benedict XIII]] is excommunicated and deposed by the [[Council of Constance]], bringing to an end the [[Great Western Schism]].<ref>{{cite book |title=The Empire At The End Of Time |first=Frances Courtney |last=Kneupper |publisher=Oxford University Press |year=2016 |page=61}}</ref>
* [[July 30]] &ndash; King Henry V of England begins and invasion of France, where he wishes to claim the throne, taking with him 42,000 soldiers on a fleet of 1,500 ships.<ref>{{Cite book |last=Seward |first=Desmond |author-link=Desmond Seward |title=A brief history of the Hundred Years War: the English in France, 1337-1453 |publisher=[[Robinson Publishing|Robinson]] |year=2003 |pages=98–99 |isbn=978-1-84119-678-7 |edition=Rev. |location=London |ref=none}}</ref>
* [[August 12]] &ndash; King [[Henry V of England]] begins using the [[English language]] in correspondence back to [[Kingdom of England|England]] from [[Kingdom of France|France]], where he is leading a campaign, marking the beginning of this king's continuous usage of English in prose, and the beginning of the restoration of English as an official language for the first time since the [[Norman Conquest]], some 350 years earlier.
* [[August 18]] &ndash; King Henry V begins the [[Siege of Caen (1417)|siege of Caen]] with bombardment of the walls using advanced weaponry.<ref>{{cite book |last=Matusiak |first=John |date=2012 |title=Henry V |url=https://books.google.com/books?id=9m6zsc61CL8C&pg=PA173 |location=London |publisher=Routledge |isbn=978-0415620277}}</ref>
* [[September 4]] &ndash; English troops succeed in opening the gates of [[Caen]] and begin a massacre of over 1,800 civilians.<ref>{{cite book |last=Mortimer|first=Ian |date=2009 |title=1415: Henry V's Year of Glory |publisher=The Bodley Head |page=371 |isbn=978-0224079921}}</ref>
* [[September 15]] &ndash; At [[Shamakhi]] (located in what is now the [[Republic of Azerbaijan]]), [[Khalilullah I]] becomes the new [[Shirvanshah]], ruler of the [[Shirvan|Kingdom of Shirvan]], following the death of his father, the [[Ibrahim I of Shirvan|Shirvanshah Ibrahim I]].<ref>{{cite book|last=Minorsky|first=Vladimir|title=A History of Sharvān and Darband in the 10th-11th Centuries|publisher=University of Michigan|year=1958|pages =1–219|isbn=978-1-84511-645-3|url=https://books.google.com/books?id=GPMHVEt_wVUC}}</ref>
* [[September 20]] &ndash; [[Siege of Caen (1417)]]: Guillaume de Montenay surrenders [[Caen]] to English invaders led by King Henry V.<ref>{{cite book |last=Wylie |first=James Hamilton |date=1929 |title=The reign of Henry the Fifth: Volume II |url=https://archive.org/details/reignofhenryfift03wyliuoft/page/n5/mode/2up |publisher=Cambridge University Press |page=61 |author-link=James Hamilton Wylie}}</ref> The city remains under English control until [[1450]].c