From Infogalactic: the planetary knowledge core
|Centuries:||11th century – 12th century – 13th century|
|Decades:||1140s 1150s 1160s – 1170s – 1180s 1190s 1200s|
|Years:||1167 1168 1169 – 1170 – 1171 1172 1173|
|1170 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1170 in poetry|
|Ab urbe condita||1923|
|English Regnal year||16 Hen. 2 – 17 Hen. 2|
|Chinese calendar||己丑年 (Earth Ox)
3866 or 3806
— to —
庚寅年 (Metal Tiger)
3867 or 3807
|- Vikram Samvat||1226–1227|
|- Shaka Samvat||1092–1093|
|- Kali Yuga||4271–4272|
|Japanese calendar||Kaō 2
|Minguo calendar||742 before ROC
|Seleucid era||1481/1482 AG|
|Thai solar calendar||1712–1713|
|Wikimedia Commons has media related to 1170.|
- November (or December) – Henry II of England, when word reaches him in France of Thomas Becket's latest actions, utters words that are interpreted by his followers as a wish for the archbishop's death.
- December 29 – Thomas Becket, Archbishop of Canterbury, was assassinated in Canterbury Cathedral.
- The Danes attack Estonia.
- The city of Dublin is captured by the Normans.
- The East Frisian island of Bant is broken up in a North Sea flood.
- Palace guards massacre the civil officials at the Korean court and place a new king on the throne. The coup leaders abolish the privileges that have kept the aristocrats in power and appoint themselves to senior posts.
- Earliest dating for the making of Cheddar cheese
- According to folklore, the Welsh prince Madoc sailes to North America in his ship the Gwennan Gorn and founds a colony.
- Estimation: Fes in the Almohad Empire becomes the largest city of the world, taking the lead from Constantinople, capital of the Byzantine Empire.
- May 9 – Valdemar II of Denmark (d. 1241) (alternative date is June 28)
- Eustace the Monk, French pirate (d. 1217)
- Isabella of Hainault, queen of Philip II of France (d. 1190)
- Muqali, general of Genghis Khan
- Saint Dominic, founder of the Dominicans (d. 1221)
- Approximate date – Fibonacci (Leonardo Pisano Bigollo), Pisan mathematician (d. 1240/50)
- January 22 – Wang Chongyang, Chinese Daoist and co-founder of the Quanzhen School (b. 1113)
- April 23 – Minamoto no Tametomo, Japanese samurai, first known person to die by seppuku (b. 1139)
- November 18 – Albert I of Brandenburg (b. c. 1100)
- November 28 – Owain Gwynedd, King of Gwynedd (b. c. 1100)
- December 29 – Thomas Becket, Archbishop of Canterbury (assassinated) (b. c. 1118)
- Al-Mustanjid, Abbasid Caliph in Baghdad
- Ruben II, Prince of Armenia (b. 1160)
- Mstislav II of Kiev
- Eliezer ben Nathan, Jewish poet and writer (b. 1090)
- Odo, Viscount of Porhoet, co-ruler of the duchy of Brittany
- "Largest Cities Through History". About.com Geography.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>