Editing 913 (section)

==== Byzantine Empire ====
* [[June 6]] &ndash; Emperor [[Alexander (Byzantine emperor)|Alexander III]] dies of exhaustion while playing the game ''[[Tzykanisterion|tzykanion]]'' ([[Byzantine Empire|Byzantine]] name for [[polo]]). He is succeeded by his 8-year-old nephew [[Constantine VII]] '''''[[Porphyrogennetos]]''''' ("[[born in the purple]]"), a son of the late emperor [[Leo VI the Wise|Leo VI]] ('''the Wise'''). The government is administered by a [[regency]] council composed of Constantine's mother, Empress [[Zoe Karbonopsina]], Patriarch [[Nicholas Mystikos]] and his guardian [[John Eladas]].
* August &ndash; [[Byzantine–Bulgarian war of 913–927|Byzantine–Bulgarian War]]: [[Simeon I of Bulgaria|Simeon I]] ('''the Great'''), ruler (''[[knyaz]]'') of the [[First Bulgarian Empire|Bulgarian Empire]], launches a campaign at the head of a large Bulgarian army, and reaches [[Constantinople]] unopposed. The Bulgarians besiege the Byzantine capital and construct ditches from the [[Golden Horn]] to the [[Walls of Constantinople#Golden Gate|Golden Gate]] at the [[Sea of Marmara|Marmara Sea]].<ref name="angelov285">{{cite book | ref={{harvid|Angelov et al|1981}}
 | title = История на България. Том II. Първа българска държава | trans-title = History of Bulgaria. Volume II. First Bulgarian State | last1 = Angelov | first1 = Dimitar | first2 = Ivan | last2 = Bozhilov | first3 = Stancho | last3 = Vaklinov | first4 = Vasil | last4 = Gyuzelev | first5 = Kuyu | last5 = Kuev | first6 =  Petar | last6 = Petrov | first7 = Borislav | last7 = Primov | first8 = Vasilka | last8 = Tapkova | first9 = Genoveva | last9 = Tsankova | others = et al. | year = 1981 | language = bg | publisher = [[Bulgarian Academy of Sciences]] Press | location = [[Sofia]] |page=285}}</ref><ref>{{cite book |last = Zlatarski |first = Vasil |author-link = Vasil Zlatarski |title = История на българската държава през средните векове. Том I. История на Първото българско царство. 
 | trans-title =History of the Bulgarian state in the Middle Ages. Volume I. History of the First Bulgarian Empire. |url = http://www.promacedonia.org/vz1b/index.html |edition = 2 |publisher = Наука и изкуство |location = Sofia |year = 1972 |orig-year = 1927 |language = bg |oclc = 67080314 |page=358 }}</ref> After negotiations the [[siege]] is lifted and Simeon is recognised as emperor of the Bulgarians.
* Summer &ndash; [[Constantine Doukas (usurper)|Constantine Doukas]], a Byzantine general (''[[magister militum]]''), tries, unsuccessfully, with the support of several [[Aristocracy|aristocrats]] to usurp the [[throne]] from the young Constantine VII. He is killed in a clash by the soldiers of the ''[[Hetaireia]]'' guard, assembled by John Eladas. His head is cut off and presented to Constantine.<ref>{{Prosopographie der mittelbyzantinischen Zeit |volume=online |page=Konstantinos Duka (#23817)}}</ref><ref>{{cite book | last=Runciman | first=Steven | author-link=Steven Runciman | title=The Emperor Romanus Lecapenus and His Reign: A Study of Tenth-Century Byzantium | location=Cambridge, United Kingdom | publisher=Cambridge University Press | year=1988 | orig-year=1929 | isbn=0-521-35722-5 | url=https://books.google.com/books?id=XHVzWN6gqxQC|page=50}}</ref><ref>{{Polemis-The Doukai|page=24}}</ref>