From Infogalactic: the planetary knowledge core
|Centuries:||10th century – 11th century – 12th century|
|Decades:||1030s 1040s 1050s – 1060s – 1070s 1080s 1090s|
|Years:||1063 1064 1065 – 1066 – 1067 1068 1069|
|1066 by topic|
|Lists of leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||1819|
|English Regnal year||1 Will. 1|
|Chinese calendar||乙巳年 (Wood Snake)
3762 or 3702
— to —
丙午年 (Fire Horse)
3763 or 3703
|- Vikram Samvat||1122–1123|
|- Shaka Samvat||988–989|
|- Kali Yuga||4167–4168|
|Japanese calendar||Jiryaku 2
|Minguo calendar||846 before ROC
|Seleucid era||1377/1378 AG|
|Thai solar calendar||1608–1609|
|Wikimedia Commons has media related to 1066.|
- Norman conquest of England:
- January 5 – Edward the Confessor of York dies. The Witenagemot proclaims Harold Godwinson King of England.
- January 6 – Harold II is crowned King of England, probably in the new Westminster Abbey.
- January (approx.) – Harold marries Ealdgyth, daughter of Earl Ælfgar, and widow of Welsh ruler Gruffydd ap Llywelyn.
- March 20 – Halley's Comet reaches perihelion. Its appearance is subsequently recorded in the Bayeux Tapestry.
- September 18 – Norwegian king Harald Hardrada lands on the beaches of Scarborough and began his invasion of England.
- September 20 – Battle of Fulford: Norwegian king Harald Hardrada defeats the northern English earls Edwin and Morcar.
- September 25 – Battle of Stamford Bridge: Word traveled fast of the Battle of Fulford King Harold Godwinson made a crucial decision to ride North to meet the invaders. Harold defeats Harald Hardrada and Harold's brother, who became his partner, Tostig Godwinson.
- September 28 – Duke William of Normandy lands in England at Pevensey.
- October 14 – Battle of Hastings, fought between King Harold II of England and Duke William of Normandy: Harold was killed by an arrow to the eye, but some say he was killed by a band of Norman knights sent to assassinate him. William is victorious. In England this is the traditional end of the Dark Ages, generally known by scholars as the Early Middle Ages.
- December 25 – Duke William of Normandy is crowned King William I of England in Westminster Abbey.
- December 30 – Granada massacre: A Muslim mob storms the royal palace in Granada, crucifies Jewish vizier Joseph ibn Naghrela and massacres most of the Jewish population of the city.
- The Republic of Genoa, jealous of the recent successes of its former allies, launches a naval assault on the Republic of Pisa.
- Magnus II Haraldsson is crowned King of Norway.
- Upon the death of Stenkil, King of Sweden, two rivals named Eric battle for power in Sweden, both claiming the throne, until the next year.
- Hedeby is destroyed by a Slavic army and permanently abandoned.
- Tain becomes the first town in the Kingdom of Scotland to be chartered as a royal burgh.
- January 5 – King Edward the Confessor of England
- September 25 – killed at the Battle of Stamford Bridge:
- October 14 – killed at the Battle of Hastings:
- November 11 – John Scotus (bishop of Mecklenburg) (b. approx. 990) – sacrificed to Radegast
- Stenkil, king of Sweden since 1060
- Ibn Butlan, Baghdad physician
- Imam Bayhaqi, eminent Islamic scholar