Editing 1320 (section)

=== October &ndash; December ===
* [[October 12]] &ndash; [[Andronikos II Palaiologos]], who was co-ruler of Byzantium, becomes the sole ruler upon the death of his son [[Michael IX Palaiologos]]. Michael's son [[Andronikos III Palaiologos|Andronikos]] begins a rebellion against his grandfather emperor six months later.
* [[October 27]] &ndash; [[Magnus Birgersson (1300–1320)|Magnus Birgersson]], who had been the crown prince of Sweden until his father, [[Birger, King of Sweden|King Birger]] was forced to flee, is beheaded by order of King Magnus Eriksson. Magnus had defended the [[Stegeborg Castle]] in 1318 to allow his father to flee to safety. When the castle surrendered, it was under the condition that Magnus would not be harmed.<ref>[https://sok.riksarkivet.se/sbl/Presentation.aspx?id=10144 "Magnus Birgersson"], by Hans Gillingstam, in ''Svenskt biografiskt lexikon ''
(Riksarkivet, 1982)</ref>