World Timeline

AD 1123: Jurchen army occupied the southern capital of Khitan Empire (nowadays Běijīng; Khitan Empire had three capitals and they had already lost the other two before). The Khitan Emperor went missing. This is considered the end of Khitan Empire by some historians, however others think it would end in 1125 when its Emperor got captured and surrendered to the Jurchens.

AD 1124: December 21 – 1124 papal election: Lamberto Scannabecchi is elected Pope after Teobaldo Boccapecci is rejected. Scannabecchi takes the name Pope Honorius II.

AD 1125: Seeing the weakness of their neighbor on the south, Jurchen Empire attacked Sòng Dynasty in October. In a hurry, Emperor Huīzōng declared his abdication in December since he did not want to take the responsibility for defeat. His son Zhào Huán succeeded him as Emperor Qīnzōng of Sòng.

AD 1126: Adelard of Bath, an English philosopher, translates Muḥammad ibn Mūsā al-Khwārizmī's arithmetic and astronomical works into Latin.

AD 1127: Imad ad-Din Zengi, a Turkish military leader, becomes governor (atabeg) of Mosul. He seizes the cities of Nisibin, Sinjar and Harran in the Jazira Region (Northern Mesopotamia).

AD 1128: Honorius II recognizes and confirms the Order of the Knights Templar.

AD 1129: April 14 – Following the Capetian tradition, King Louis VI (the Fat) has his eldest son Philip crowned as co-ruler of France at Rheims Cathedral. Louis himself becomes the national protector of all France.

Premise: AD 1127: The Jurchen Empire took the capital city of Sòng Dynasty and captured their emperor (and former emperor). Zhào Gòu, one of the sons of Emperor Huīzōng, escaped to the south and re-organized Sòng Dynasty's government. He was enthroned as Emperor Gāozōng of Sòng and his country was known as the "Southern Sòng Dynasty".

AD 1130: Battle of Huángtiāndàng – With only 8 thousand men and a hundred ships, Southern Sòng navy successfully stopped more than 100 thousand Jurchen soldiers from crossing the Yangtze River. This effectively prevented the Jurchen Empire from occupying the entirety of China and ensured Southern Sòng's continuation.

August 21 – King Baldwin II falls seriously ill, after his return from Antioch. He is moved to the patriarch's residence near the Holy Sepulchre, where he bequeaths the kingdom to his daughter Melisende, her husband Fulk and their infant son, Baldwin. He takes monastic vows, and dies soon after. Baldwin is buried in the Church of the Holy Sepulchre, at Jerusalem.AD 1131:

AD 1132: Malachy is appointed archbishop of Armagh, Ireland, to impose the Roman liturgy on the independent Irish Church.