Editing 1128 (section)

==== Europe ====
* February &ndash; [[Saint-Omer]] and [[Ghent]] declare for [[Thierry, Count of Flanders|Thierry]] (Theoderic) in his challenge to his cousin [[William Clito]] for the [[County of Flanders]].<ref name=Aird>{{cite book|first=William M.|last=Aird|title=Robert Curthose, Duke of Normandy: c.1050–1134|publisher=Boydell Press|location=Woodbridge|year=2008|isbn=9781846156717}}</ref>
* [[June 17]] &ndash; King [[Henry I of England]] marries his only legitimate daughter, [[dowager]] Empress [[Empress Matilda|Matilda]], to the 14-year-old [[Geoffrey Plantagenet, Count of Anjou|Geoffrey Plantagenet]] ("the Fair"), count of [[County of Anjou|Anjou]], at [[Le Mans]].
* [[June 21]] &ndash; [[Battle of Axspoele]] in Flanders: William, with his Norman knights and French allies, defeats Thierry, who is forced to flee to Bruges and then to [[Aalst, Belgium|Aalst]] where he is besieged.<ref name=Aird/>
* [[June 24]] &ndash; [[Battle of São Mamede]]: Count [[Afonso I of Portugal|Alfonso I]] (Henriques) defeats the forces led by his mother, Queen [[Theresa, Countess of Portugal|Theresa]] of [[County of Portugal|Portugal]], near [[Guimarães]], and gains control of the county. Alfonso styles himself "Prince of Portugal".
* [[June 29]] &ndash; [[Conrad III of Germany|Conrad III]], anti-king of [[Kingdom of Germany|Germany]], is crowned "King of [[Kingdom of Italy (Holy Roman Empire)|Italy]]" by Archbishop [[Anselmo della Pusterla]] at [[Monza]] in [[Lombardy]].
* [[July 27]] &ndash; The city of [[Bruges]] in Flanders (modern [[Belgium]]) receives its [[Municipal charter|city charter]] as well new walls, and canals are built.{{citation needed|date=October 2024}}
* [[July 28]] &ndash; [[William Clito]] dies as a result of a wound received at the siege of Aalst a fortnight earlier, leaving [[Thierry, Count of Flanders|Thierry]] as sole claimant to the [[County of Flanders]]. He sets up his seat of government at [[Bruges]] and King [[Louis VI of France|Louis VI]] ("the Fat") of [[France in the Middle Ages|France]] agrees to his accession.<ref name=Aird/>
* August &ndash; [[Pope Honorius II]] invests [[Roger II of Sicily]] as duke of [[County of Apulia and Calabria|Apulia]] at [[Benevento]], after his failure to form an coalition against Roger.