|Centuries:||11th century · 12th century · 13th century|
|Decades:||1080s · 1090s · 1100s · 1110s · 1120s · 1130s · 1140s|
|Years:||1115 · 1116 · 1117 · 1118 · 1119 · 1120 · 1121|
|1118 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1118 in poetry|
|Ab urbe condita||1871|
|English Regnal year||18 Hen. 1 – 19 Hen. 1|
|Chinese calendar||丁酉年 (Fire Rooster)|
3814 or 3754
— to —
戊戌年 (Earth Dog)
3815 or 3755
|- Vikram Samvat||1174–1175|
|- Shaka Samvat||1039–1040|
|- Kali Yuga||4218–4219|
|Japanese calendar||Eikyū 6 / Gen'ei 1|
|Minguo calendar||794 before ROC|
|Seleucid era||1429/1430 AG|
|Thai solar calendar||1660–1661|
|Wikimedia Commons has media related to 1118.|
- Peace between England and Flanders is agreed.
- Enna mac Donnchada mac Murchada becomes King of Dublin in Ireland.
- Cu Faifne mac Congalaig becomes King of Uí Failghe in Ireland.
- Maelsechlainn Ua Faelain becomes King of the Déisi Muman in Ireland.
- The cantrefs of Rhos and Rhufoniog are annexed by Gruffudd ap Cynan, King of Gwynedd in Wales.
- The Archbishop of York is no longer required to be crowned by the Archbishop of Canterbury.
- Reconstruction begins on Peterborough Cathedral in England, destroyed by fire in 1116.
- Đorđe, Vojislavljević ruler of Serbia, is overthrown by Uroš I of Raška.
- George of Duklja is overthrown by his cousin Grubeša.
- Radostl becomes Bishop of Krakow.
- Zbraslav, now part of Prague, is founded.
- Sylvester of Kiev becomes bishop of Pereyaslav.
- A rebellion against Henry I of England breaks out in Normandy.
- Alberich of Rheims becomes Master at the school of Rheims.
- Charles I, Count of Flanders marries Margaret of Clermont.
- Peter Abelard and Héloïse d'Argenteuil have a child and marry secretly in Paris. Her uncle Fulbert has Abelard castrated and both Abelard and Héloïse enter religious orders.
- Amaury IV of Montfort divorces his wife Richilde, daughter of Baldwin II, Count of Hainaut.
- Wulgrin III becomes Count of Angoulême.
- Gervais becomes Count of Rethel.
- Montlhéry Castle is dismantled by Louis VI of France.
- Magdeburg is almost destroyed by fire.
- Reichenbach Abbey is founded.
- Zwickau, Eisenstadt, Kirchgandern, and Wolfenbüttel are first mentioned.
- Otto of Bamberg is suspended by the Pope, and Norbert of Xanten defends himself against charges of heresy at the Synod of Fritzlar.
- January 24 – Pope Gelasius II succeeds Pope Paschal II as the 161st pope.
- March 10 – Gregory VIII is elected antipope.
- The cathedral of Ferentino is completed.
- The restoration of Santa Maria in Cosmedin begins.
- The economic competition between Milan and Como drives the two cities to war.
- Upon the death of his brother Philip, Inge the Younger becomes sole king of Sweden.
- Þorlákur Runólfsson becomes Bishop of Skálholt.
- The Almoravids lose their control of the Ebro valley:
- Pope Gelasius II grants the status of Crusade to the Christian effort in the Ebro valley attracting numerous Gascon, Occitan and Norman knights.
- December 18 – Alfonso the Battler expels the Moors from Zaragoza.
- The troops of Ramon Berenguer III, Count of Barcelona led by archbishop Oleguer Bonestruga capture Tarragona from the Moors.
- The Genei era begins in Japan.
- The Zenghe era of Emperor Huizong of Song China ends, and the Chonghe era begins.
- The Yongning era of Emperor Chongzong of Western Xia ends.
- David IV of Georgia captures Lori from the Seljuk Turks.
- David IV of Georgia settles a number of Kipchaks in Georgia.
- June 11 – Roger of Salerno, Prince of Antioch, captures Azaz from the Seljuk Turks.
- The Byzantine general Philocales captures Sardis from the Seljuk Sultanate of Rûm.
- Baldwin I of Jerusalem invades Egypt.
- Baldwin of Le Bourg succeeds his cousin Baldwin I as king of Jerusalem.
- Roman of Le Puy becomes lord of Oultrejordain.
- Joscelin I succeeds Baldwin of Le Bourg as Count of Edessa.
- Garmond of Picquigny becomes Latin Patriarch of Jerusalem.
- Suleyman I ibn al-Ghazi becomes emir of Aleppo.
- Ahmed Sanjar and Mahmud II proclaim themselves rival Seljuk sultans upon the death of Mehmed I of Great Seljuk.
- Al-Mustarshid becomes Abbasid caliph.
- Bahram Shah becomes Ghaznavid Emperor.
- June 29 – Vikram Chola becomes regent of the Chola kingdom.
- Battle of Kennagal: The Hoysala Empire defeats the Chalukya.
- November 28 – Manuel I Comnenus, Byzantine Emperor (d. 1180)
- December 21 – Thomas Becket, Archbishop of Canterbury (d. 1170)
- Gualdim Pais, Portuguese Grand-Master of the Templars (d. 1195)
- Eudes II, Duke of Burgundy
- Gertrude, daughter of Lothair III, Holy Roman Emperor and wife of Henry X, Duke of Bavaria
- Christina, daughter of Canute Lavard, wife of Magnus IV of Norway
- Andronicus I Comnenus, Byzantine Emperor (d. 1185)
- Nur ad-Din Zangi, ruler of Syria (d. 1174)
- Ahmed ar-Rifa'i, founder of the Rifa'i Sufi order
- Taira no Kiyomori, Japanese general (d. 1181)
- Saigyo, Japanese poet
- January 21 – Pope Paschal II
- April 2 – King Baldwin I of Jerusalem
- April 16 – Adelaide del Vasto, regent of Sicily, mother of Roger II of Sicily, queen of Baldwin I of Jerusalem
- May 1 – Edith of Scotland, queen of Henry I of England
- June 5 – Robert de Beaumont, 1st Earl of Leicester
- July 7 – Florence of Worcester, long thought to be the author of the chronicle of John of Worcester
- August 15 – Alexius I Comnenus, Byzantine Emperor (b. 1048)
- Gissur Ísleifsson, Bishop of Skálholt
- Domnall mac Muirchertaig ua Briain, King of Dublin
- Rogan mac Domnaill meic Conchobair, King of Uí Failghe
- Count William of Évreux
- William III, Count of Angoulême
- Lithuise of Blois
- Milo II, lord of Montlhéry
- Hugh I, Count of Rethel
- Gerberge I, Countess of Provence
- Philip Halstensson, king of Sweden since 1105
- Jaquinta of Bari, Apulian dowager queen consort of Dioclea
- Maur, Bishop of Kraków
- Basil the Physician, Bogomil leader
- Arnulf of Chocques, Latin Patriarch of Jerusalem
- Mehmed I of Great Seljuk, Seljuk sultan
- Al-Mustazhir, Abbasid caliph
- Arslan Shah, Ghaznavid Emperor
- Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 59–60. ISBN 0-7126-5616-2.
- "Peterborough Cathedral website". Retrieved 2007-12-19.
- The Letters of Abelard and Heloise (Revised ed.). London: Penguin. 2003. p. x. ISBN 978-0-140-44899-3.
- Stalls, Clay (1995). Possessing the land: Aragon's expansion into Islam's Ebro frontier under Alfonso the Battler, 1104-1134. Brill. p. viii. ISBN 90-04-10367-8.
- Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.86.
- McGrank, Lawrence (1981). "Norman crusaders and the Catalan reconquest: Robert Burdet and te principality of Tarragona 1129-55". Journal of Medieval History. 7 (1): 67–82. doi:10.1016/0304-4181(81)90036-1.