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 [Ortoquid Dynasty|Ortoqids] after almost a year of captivity, and almost immediately lays siege to the city of [Allepo], but will be driven off early in  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 treasures|Japanese national treasure] and one of only two buildings left in Japan which were built in the fabled [Heian Period|Heian Era] (-).
- 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:
- [Eleanor of Aquitaine], future queen of [England] and mother of future English kings [Richard I|Richard the Lionheart] and [John].
- [Li Renxiao], later to be named Emperor [Renzong] of the [Western Xia Dynasty].
- German aristocrat [Ottokar III], future [margrave] of [Styria].
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 .
- 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].
 - 1124 - 
[How I made the Year Nodes|How they were made]