The world in 1109 AD — what happened that year

8 events the sources record for this year, grouped by region.

What happened

The Jurchen besiege Gilju fortress and attack from six stockades; Yi Gwan-jin holds out by building a double wall in a single night, while Oh Yeon-chong, going to relieve it, is badly defeated in an ambush (Goryeosa Jeolyo (Essentials of Goryeo History) 권7 睿宗文孝大王四年)

The Jurchen besiege Gilju; Oh Yeon-chong rescues it, but the army is badly defeated. (Goryeosa (History of Goryeo) 世家卷13 睿宗四年)
1109: Yejong gathers his ministers to debate returning the Nine Fortresses to the Jurchen; the argument is that, contrary to first reports, the roads are all open and the fortresses are far apart and hard to defend (Goryeosa Jeolyo (Essentials of Goryeo History) 권7 睿宗文孝大王四年)

Eumathios crossed the strait from Abydos and reached Adramyttion. (Anna Komnene, The Alexiad Dawes 14.1 (문장 15))
The Turks were pursued toward Smyrna and Nymphaion, struck from front, rear and both flanks, and utterly defeated. (Anna Komnene, The Alexiad Dawes 14.1 (문장 32))
Bertrand, son of Raymond, lands in Syria with a Genoese fleet and takes Biblium (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 11 cap. IX (RHC 판 1-1 줄 32312))
King Baldwin reaches Tripoli, besieges it and takes the city (William of Tyre, A History of Deeds Done Beyond the Sea Lib. 11 cap. X (RHC 판 1-1 줄 32440))

At Westminster an oath was fixed that he would give his daughter to the emperor; Archbishop Anselm died. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 1109 항 (pg657.txt 줄 8501))