16 events the sources record for this year, grouped by region.
What happened
China (1)
In the ninth month, day jisi, Gunbu Bule, pingzhang of the Huguang Xingsheng, was ordered to lead the troops of Henan, Jiangzhe and Huguang against the fleeing bandits and pacified them; he recovered more than two hundred fortifications at Pingxi Dong. (Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) 권208 九月 단락208.18.0)
Japan (1)
Fire at the pagoda of Hosshoji in Rokujo; the Kondo, lecture hall and others burn down completely (Taiheiki 巻第二十一 192 法勝寺塔炎上事)
Southern Europe (13)
The next day Kantakouzenos sends envoys to the king of Serbia (Cralis Serviae) to relate his tragic situation and seek sympathy. (Nikephoros Gregoras, Roman History XIII.2 (V 앞))
A Triballian lies in ambush, seizes Kantakouzenos's envoys and hands them to Apokaukos, then himself adopts Roman customs. (Nikephoros Gregoras, Roman History XIII.2 (V))
Kantakouzenos sends word to Liberius, governor of the Triballian region and an old friend, to offer his right hand and give a speech. (Nikephoros Gregoras, Roman History XIII.2 (V))
Liberius, unable to cover a day's journey, comes out to meet Kantakouzenos, shakes his hand and lets him stay several days to regain his strength. (Nikephoros Gregoras, Roman History XIII.2 (VI))
Kantakouzenos promises his son Manuel as son-in-law to Liberius and asks him to open the road to the king of Serbia and mediate a reconciliation. (Nikephoros Gregoras, Roman History XIII.2 (VI))
Liberius writes a letter of recommendation to the king of Serbia, and Kantakouzenos sets out with it and an escort. (Nikephoros Gregoras, Roman History XIII.2 (VII))
Under his own military escort, Kantakouzenos reaches the small town of Skopje 15 days after setting out; the Axios river flows beside its walls. (Nikephoros Gregoras, Roman History XIII.2 (VII))
The army arrives at Skopje, chooses a place to recover from great fatigue, and camps and rests there. (Nikephoros Gregoras, Roman History XIII.2 (VIII))
The Duke of Brittany dies, starting an inheritance dispute (the French king installs his nephew and wife as duke and duchess, leading to the Count of Montfort's revolt) (Giovanni Villani, Nuova Cronica part_07 l.713–765 (Lib.XI, GAP.CXLIII))
Walter of Brienne, Duke of Athens, seizes the signoria in the Piazza of the Florentine council and is proclaimed lord for life, with an armed crowd mobilised (Giovanni Villani, Nuova Cronica part_07 l.1894–2230 (Lib.XII, Cap.I–III, 2145 부근))