|Ab urbe condita||1927|
|Balinese saka calendar||1095–1096|
|English Regnal year||20 Hen. 2 – 21 Hen. 2|
|Chinese calendar||癸巳年 (Water Snake)|
3870 or 3810
— to —
甲午年 (Wood Horse)
3871 or 3811
|- Vikram Samvat||1230–1231|
|- Shaka Samvat||1095–1096|
|- Kali Yuga||4274–4275|
|Japanese calendar||Jōan 4|
|Minguo calendar||738 before ROC|
|Seleucid era||1485/1486 AG|
|Thai solar calendar||1716–1717|
1300 or 919 or 147
— to —
1301 or 920 or 148
|Wikimedia Commons has media related to 1174.|
- April 7 – Richard of Dover is enthroned as Archbishop of Canterbury, in England.
- July 13 – Battle of Alnwick: William I of Scotland is captured by Ranulf de Glanvill, after attacking England in support of the Revolt of 1173–1174 against King Henry II there, and Henry occupies part of Scotland.
- September 30 – Treaty of Montlouis: The Revolt of 1173–1174 by his sons, against King Henry II of England, ends peacefully.
- December 8 – The Treaty of Falaise is signed between Henry II of England and William I of Scotland; it permits William's release, in return for his homage.
- Henry II of England acknowledges Rosamund Clifford as his mistress.
- Fire destroys most of Padua.
- The city of Pombal, Portugal is founded by Gualdim Pais.
- Battle of Thurles in Ireland: Donal Mór Ó Brian defeats a Norman incursion into Thomond.
- Horse racing at Newmarket in England is first recorded.
- July 11 – Baldwin IV, 13, becomes King of Jerusalem, with Raymond III of Tripoli as regent, and William of Tyre as chancellor.
- Saladin captures Damascus.
- The last Toltec king commits suicide.
- May 15 – Nur ad-Din Zangi, ruler of Syria (b. 1118)
- June 28 – Andrei Bogolyubsky, Prince of Vladimir (b. c. 1111)
- July 11 – King Amalric I of Jerusalem (b. 1136)
- September 22 – Uchtred, Lord of Galloway (b. c. 1120)
- Everard des Barres, third Grand Master of the Knights Templar
- Miles of Plancy, French crusader
- Abels, Richard Philip; Bernard S. Bachrach (2001). The Normans and their adversaries at war. Woodbridge: Boydell & Brewer. p. 100. ISBN 0-85115-847-1.
- Palmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 69–72. ISBN 0-7126-5616-2.
- Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 126–127. ISBN 0-304-35730-8.