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September 13–29 Battle of Shaizar: Sultan Muhammad I Tapar appoints Mawdud ibn Altuntash, Turkic governor (atabeg) of Mosul, to lead a Seljuk expedition against the Crusaders. The composite force includes Muslim contingents from Damascus, Diyarbakır, Ahlat and some Persian troops, headed by Bursuq ibn Bursuq from Hamadan. The Crusaders (16,000 men), led by King Baldwin I of Jerusalem, are cut off from their supplies, and within two weeks (due to constant Seljuk skirmishes) forced to fall back on Afamiya in northern Syria.
Winter Crusaders, led by Baldwin I, besiege Tyre, without a supporting fleet. During the siege, a Byzantine embassy arrives in the Crusader camp. The Byzantines try to persuade Baldwin to join a coalition against Tancred, Italo-Norman prince of Galilee, but he refuses.

March 27 Battle of the Salnitsa river: Prince Vladimir of Kievan Rus' inflicts a crushing defeat on the Cumans (Polovtsy).
April 13 Henry V is crowned as Holy Roman Emperor by Pope Paschal II. Henry returns to Germany where he strengthens his power by granting privileges to the German nobles of the region of the Upper Rhine.
October 5 18-year-old Baldwin VII succeeds his father, Robert II, as Count of Flanders until 1119.
Almoravid forces under Syr ibn Abi Bakr capture Santarém and Sintra in Portugal. The efforts of the Berbers to reconquer lost ground also lead to the sack of Coimbra. The same year the city revolts against their lord.
Rebellion on the borders of Normandy against the rule there of Henry I of England; Robert of Bellême is a leader of the rebels.
The commune of Lodi Vecchio (known as Laus Pompeia) is besieged and destroyed by Milanese troops in northern Italy.

Domnall mac Taidc temporarily seizes the Kingdom of the Isles (the Hebrides and the Isle of Man) by force.
In the vicinity of Welshpool, Iorwerth ap Bleddyn, prince of Powys, is killed through arson by his uncle Madog ap Rhiryd, allowing Cadwgan ap Bleddyn (Iorwerth's brother) to return to rule all of Powys, but soon afterwards Madog kills Cadwgan also, allowing Owain ap Cadwgan (son of Cadwgan) to become ruler of much of the kingdom.

The Donglin Academy, a Chinese educational institution, is established in Wuxi during the Northern Song dynasty.

The Synod of Rathbreasail marks the transition of the Irish church from a monastic to a diocesan structure.</onlyinclude>

Approximate date