From Infogalactic: the planetary knowledge core
|Centuries:||11th century – 12th century – 13th century|
|Decades:||1080s 1090s 1100s – 1110s – 1120s 1130s 1140s|
|Years:||1108 1109 1110 – 1111 – 1112 1113 1114|
|1111 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1111 in poetry|
|Ab urbe condita||1864|
|English Regnal year||11 Hen. 1 – 12 Hen. 1|
|Chinese calendar||庚寅年 (Metal Tiger)
3807 or 3747
— to —
辛卯年 (Metal Rabbit)
3808 or 3748
|- Vikram Samvat||1167–1168|
|- Shaka Samvat||1033–1034|
|- Kali Yuga||4212–4213|
|Japanese calendar||Ten'ei 2
|Minguo calendar||801 before ROC
|Seleucid era||1422/1423 AG|
|Thai solar calendar||1653–1654|
|Wikimedia Commons has media related to 1111.|
- Crusaders and Seljuk Turks fight the Battle of Shaizar in Syria to a draw.
- Donglin Academy is established in Song dynasty China.
- April 13 – Henry V is crowned Holy Roman Emperor by Pope Paschal II.
- May 24 – The commune of Laus is destroyed by Milanese troops.
- Baldwin VII becomes Count of Flanders.
- Santarém and Sintra are captured by the Almoravid troops of the general Sir ibn Abi Bakr. The efforts of the Berbers to reconquer lost ground lead to the sack of Coimbra. The same year, the city had experienced the sole urban rebellion against their lord to take place in Portugal.
- Alfonso VII becomes King of Galicia.
- Domnall Ua Briain becomes King of the Hebrides and the Isle of Man, following a request from the people of that kingdom to the King of Munster to send them a ruler.
- The Synod of Rathbreasail marks the transition of the Irish church from a monastic to a diocesan structure.
- Agnes of Babenberg, daughter of Leopold III (d. 1157)
- Andrei Bogolyubsky, prince of Vladimir-Suzdal (after 1157) (d. 1174)
- Josceline de Bohon, English religious leader (d. 1184)
- February 22 – Roger Borsa, King of Sicily (b. 1078)
- March 3 – Prince Bohemund I of Antioch (b. 1058)
- April 17 – Robert of Molesme, Christian saint and abbot (b. 1027)
- September 27 – Vekenega, Croatian Benedictine abbess
- October 5 – Robert II, Count of Flanders (b. 1065)
- December 19 – Abu Hamid Muhammad ibn Muhammad al-Ghazali, Persian theologian (b. 1058)
- Cadwgan ap Bleddyn, Welsh prince of Powys
- Iorwerth ap Bleddyn, Welsh prince of Powys
- Richard II of Gaeta, consul and duke of Gaeta
- Otto II, Count of Habsburg
- Antipope Sylvester IV
- Ōe no Masafusa, Japanese scholar and tutor (b. 1041)
- Picard, Christophe (2000). Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique. Paris: Maisonneuve & Larose. p. 109. ISBN 2-7068-1398-9.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- de Oliveira Marques, António Henrique (1998). Histoire du Portugal et de son empire colonial. Paris: Karthala. p. 44. ISBN 2-86537-844-6.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Moody, T. W.; Martin, F. X., ed. (1967). The Course of Irish History. Cork: Mercier Press. p. 116. <templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>