Editing 1400 (section)

=== July&ndash;September ===
* [[July 7]] &ndash; [[Sir John Swinton, 14th of that Ilk|Sir John Swinton]], an envoy of [[Robert III of Scotland|King Robert III of Scotland]], crosses the border into England along with 20 knights, after being given a [[safe conduct|writ of safe conduct]] by [[Henry IV of England|King Henry IV]] to allow their travel to negotiate during the standoff between the two British kingdoms between phases of the [[Hundred Years' War]]. 
* [[July 26]] &ndash; [[Jagiellonian University]] is re-established in [[Kraków]] by order of [[Władysław II Jagiełło|King Władysław II]], with the creation of the Faculty of Theology at what is then called the Kraków Academy. The restoration is partially financed by the sale of jewelry owned by the King's late wife, [[Jadwiga of Poland|Queen Jadwiga]], who had died in [[1399]].
* [[August 6]] &ndash; Writing from [[Newcastle upon Tyne]] to [[Scotland]]'s [[Robert III of Scotland|King Robert III]], England's [[Henry IV of England|King Henry IV]] sends a demand that King Robert meet him "on Monday the 23rd of this present month of August, at [[Edinburgh]], where, for this reason and for the peace of tranquility of the realms of England and Scotland, we intend to be," for Robert "to perform the obligation which you owe us" as "overlords of Scotland and of its kings in all temporal matters pertaining to them..."  King Henry warns that "considering the effusion of Christian blood and other dangers and losses which may occur if you do not comply with our wishes, you will be present to render us homage and take the oath of fealty."  <ref name=Flemming>Jessie H. Flemming, [https://books.google.com/books?id=kYLSAAAAMAAJ&dq=edinburgh+august+1400&pg=PA6 ''England Under the Lancastrians''] (Longman's, Green and Co., 1921) pp.5-6</ref>
* [[August 14]] &ndash; King Henry IV leads the English Army into [[Scotland]], after receiving no answer from Scotland's King Robert III to his August 6 demand. The troops reach [[Haddington, East Lothian]] the next day and at [[Leith]], on the outskirts of [[Edinburgh]], by August 18. As historian  [[James Hamilton Wylie]] will note almost 500 years later, "the walls of Edinburgh did not fall before this ram's-horn blast, and August 23rd came and went without the required homage or recognition."<ref>James Hamilton Wylie, ''History of England Under Henry the Fourth'' (Longmans, Green and Co., 1884) p.138</ref> 
* [[August 20]] &ndash; Meeting at the [[Lahneck Castle]] in what is now the German state [[Rhineland-Palatinate]], the princes of the German states vote to depose the Holy Roman Emperor, [[Wenceslaus, King of the Romans|Wenceslaus]], due to his weak leadership and mental illnesses.
* [[August 21]] &ndash; [[Rupert, King of Germany|Rupert, Count Palatine of the Rhine]], is elected as [[King of the Romans]].
* [[August 29]] &ndash; Having failed in his expedition to receive a pledge of [[fealty]] from the King of Scotland, King Henry IV crosses back into England.<ref name=Flemming/> 
* [[September 16]] &ndash; [[Owain Glyndŵr]] is proclaimed [[King of the Britons|Prince of Wales]] by his followers, and begins attacking [[England|English]] strongholds in northeast [[Wales]].