Editing August 25 (section)

===Pre-1600===
* [[766]] &ndash; Emperor [[Constantine V]] humiliates nineteen high-ranking officials, after discovering a plot against him. He executes the leaders, [[Constantine Podopagouros]] and his brother [[Strategios Podopagouros|Strategios]].
*[[1248]] &ndash; The Dutch city of [[Ommen]] receives [[City rights in the Low Countries|city rights]] and fortification rights from Otto III, the [[Roman Catholic Archdiocese of Utrecht|Archbishop of Utrecht]].
*[[1258]] &ndash; Regent [[George Mouzalon]] and his brothers are killed during a coup headed by the aristocratic faction under [[Michael VIII Palaiologos]], paving the way for its leader to ultimately usurp the throne of the [[Empire of Nicaea]].
*[[1270]] &ndash; [[Philip III of France|Philip III]], although suffering from dysentery, becomes King of France following the death of his father [[Louis IX of France|Louis IX]], during the [[Eighth Crusade]]. His uncle, [[Charles I of Naples]], is forced to begin peace negotiations with [[Muhammad I al-Mustansir]], Hafsid Sultan of Tunis.<ref>{{cite book |title=The World of the Crusades |first=Christopher |last=Tyerman |publisher=Yale University Press |year=2019 |pages=134–135}}</ref>
*[[1537]] &ndash; The [[Honourable Artillery Company]], the oldest surviving [[regiment]] in the [[British Army]], and the second most senior, is formed.
*[[1543]] &ndash; [[António Mota]] and a few companions become the first Europeans to visit Japan. 
*[[1580]] &ndash; [[War of the Portuguese Succession]]: Spanish victory at the [[Battle of Alcântara (1580)|Battle of Alcântara]] brings about the [[Iberian Union]].