Editing August 31 (section)

===Pre-1600===
*[[1056]] &ndash; After a sudden illness a few days previously, [[Byzantine Empress]] [[Theodora Porphyrogenita (11th century)|Theodora]] dies childless, thus ending the [[Macedonian dynasty]].
*[[1057]] &ndash; Abdication of Byzantine Emperor [[Michael VI Bringas]] after just one year.
*[[1218]] &ndash; [[Al-Kamil]] becomes [[sultan]] of the [[Ayyubid dynasty]].
*[[1314]] &ndash; King [[Haakon V of Norway]] moves the capital from [[Bergen]] to [[Oslo]].
*[[1420]] &ndash; The [[1420 Caldera earthquake|8.8–9.4 Caldera earthquake]] shakes Chile's [[Atacama Region]] causing [[tsunami]] in Chile, [[Hawaii]], and Japan.<ref name="El Mercurio, 2019">{{cite news |last=Guzmán |first=L. |date=February 14, 2019|language=es|title=Encuentran registros de megaterremoto ocurrido hace seis siglos en el norte de Chile |url=http://www.economiaynegocios.cl/noticias/noticias.asp?id=546452 |work=[[El Mercurio]] |location=Santiago|access-date=June 8, 2019}}</ref><ref name="Abad, 2018">Manuel Abad, Tatiana Izquierdo, Miguel Cáceres, Enrique Bernárdez and Joaquín Rodríguez-Vidal. "Coastal boulder deposit as evidence of an ocean-wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)". ''Sedimentology''. Publication: December 13, 2018. {{doi|10.1111/sed.12570}}</ref>  
*[[1422]] &ndash; King [[Henry V of England]] dies of [[dysentery]] while in France. His son, [[Henry VI of England|Henry VI]], becomes King of England at the age of nine months.
*[[1535]] &ndash; Pope [[Paul III]] excommunicates English King [[Henry VIII]] from the church. He drew up a [[Excommunication (Catholic Church)|papal bull of excommunication]] which began ''Eius qui immobilis''.<ref>{{cite book|first=James|last=Gairdner|title= Henry VIII: Appendix. Letters and Papers, Foreign and Domestic, Henry VIII, Volume 6|publisher=Institute of Historical Research|year=2014}}</ref>