Editing 1313 (section)

===July &ndash; September===
* [[July 29]] &ndash; In a complicated marital pact, [[Catherine of Valois–Courtenay]], the [[Latin Empire|Latin Empress of Constantinople]], breaks her engagement to [[Hugh V, Duke of Burgundy]], styled the [[King of Thessalonica]] in order to marry [[Philip I, Prince of Taranto]], styled the King of Albania and Lord of Achaea. In exchange for Hugh's forbearance, Catherine cedes her lands to Hugh's sister, [[Joan the Lame of Burgundy|Joan the Lame]], wife of Catherine's half-brother [[Philip VI of France|Philip of Valois]], and Hugh becomes engaged to [[Joan III, Countess of Burgundy|Joan of France]]. On the same day as Philip's marriage to Catherine, former fiancée of Hugh, Hugh's brother [[Louis of Burgundy]] marries [[Matilda of Hainaut]] (who had broken off her engagement to Philip of Taranto's son [[Charles of Taranto]]) and Philip of Taranto cedes the [[Principality of Achaea]] to Hugh and Matilda.<ref>"The Morea, 1311–1364", by Peter Topping, in ''A History of the Crusades, Volume III: The Fourteenth and Fifteenth Centuries'', ed. by Kenneth M. Setton and Harry W. Hazard (University of Wisconsin Press, 1975) pp.104–140.</ref>
* [[August 8]] &ndash; Emperor [[Henry VII, Holy Roman Emperor|Henry VII]] begins a campaign against [[Robert, King of Naples|King Robert of Naples]] ("Robert the Wise"). Henry's allies are loath to join him and his 15,000-man army, supported by 4,000 knights, while the imperial fleet is prepared to attack King Robert's realm directly. 
* [[August 9]] &ndash; In the town of [[Horsens]] in [[Kingdom of Denmark|Denmark]], [[Eric II, Duke of Schleswig|Eric of Jutland]] reaches a settlement with [[Eric VI of Denmark|King Eric VI Menved]] and receives the [[Duchy of Schleswig]] in return for renouncing all claims to [[Langeland]].  
* [[August 24]] &ndash; A week after contracting [[malaria]] during the siege of the Tuscan city of [[Siena]], the Holy Roman Emperor Henry VII dies of [[malaria]] at [[Buonconvento]]. His 17-year-old son, [[John of Bohemia]], will  succeed him and will become one of the seven [[prince-elector]]s of the [[Holy Roman Empire]].<ref>Jones, Michael (2000). ''The New Cambridge Medieval History, Volume VI: c. 1300–1415'', p. 536. Cambridge University Press.</ref> Upon learning of the Henry's death, [[Louis IV, Holy Roman Emperor|Louis, Duke of Bavaria]] goes to war against his cousin, [[Frederick the Fair]], Duke of Austria and Styria, as both compete to be elected the new Emperor, a competition which will eventually be resolved in favour of Louis.
* [[September 23]] &ndash; The [[English Parliament]] is called into session for the fourth time in less than 12 months, after three unsuccessful attempts to assemble members. King Edward II persuades the session to pass a tax bill for revenues to be collected by the following June in order to finance a new campaign against Scotland.