In the year AD 1124...
- At the Battle of Bourgtheroulde forces loyal to English king Henry I decisively defeat a numerically superior force of Norman rebels fighting in the name of William Clito, in one of the earliest battles to show the utility of archers versus horsemen.
- The Crusades continue in the Holy Land. Venetian crusaders conquer Tyre and are awarded title to one third of its territory and important trading privileges. Meanwhile Baldwin II, the crusader king of Jerusalem, is released by the Ortoqids after almost a year of captivity, and almost immediately lays siege to the city of Allepo, but will be driven off early in 1125 by the arrival on the scene of il-Bursuqi, the Seljuk atabeg of Mosul.
- Irish warlord Tairrdelbach mac Ruaidri Ua Conchobair, king of Connacht, erects a small fort called Dún Bhun na Gaillimhe ("Fort at the Mouth of the Gaillimh River"), which will eventually grow to become the modern-day city of Galway, Ireland.
- Japanese aristocrat Fujiwara no Kiyohira constructs the magnificent Golden Hall at Chusonji temple in Hiraizumi, which today is a Japanese national treasure and one of only two buildings left in Japan which were built in the fabled Heian Era (794-1185).
- The oldest school in Scotland, the High School of Glasgow, is founded as a school to teach liturgical singing, before eventually being converted to a grammar school.
These people were born in 1124:
These people died in 1124:
- Pope Callixtus II, suceeded by Honorius II.
- Scottish king Alexander I, succeeded by his brother David I.
- Persian Muslim missionary Hassan-i Sabbah, who founded a community in the Alborz Mountains of northern Iran which would later come to be known as the Hashshashin.
- French Catholic priest Saint Stephen of Muret, founder of the Order of Grandmont.
- Former Duke of Bohemia Borivoj II, while in self-imposed exile in Hungary after a falling out with his brother Vladislaus I four years prior.
- Irish warlord Maelsechlainn mac Tadhg Mor, king of Moylurg, slain in a battle with troops from the kingdom of Breifne, succeeded by Dermot mac Tadhg Mor.
- Italian abbot Saint Constabilis, venerated as the patron saint of the town of Castellabate, which he founded in 1123.
- French historian and theologian Guibert of Nogent.
- Ernulf, French-born Benedictine monk, architect, and ultimately Bishop of Rochester in England.
- German aristocrat Wiprecht of Groitzsch, margrave of Meissen and the Saxon Ostmark, succeeded by his son Henry of Groitzsch.
- Welsh nobleman Einion ap Cadwgan, lord of Meirionydd, which was then a vassal state of Powys, setting off a lengthy succession dispute which would eventually lead Meirionydd to fall into the hands of Gwynedd.
1123 - 1124 - 1125
How they were made