1170s

The 1170s was a decade of the Julian Calendar which began on January 1, 1170, and ended on December 31, 1179.

Millennium:	2nd millennium
Centuries:	11th century 12th century 13th century
Decades:	1150s 1160s 1170s 1180s 1190s
Years:	1170 1171 1172 1173 1174 1175 1176 1177 1178 1179
Categories:	Births Deaths By country By topic Establishments Disestablishments

Events

1170

• September 21 – Following a siege, combined Anglo-Norman and Irish forces seize the city of Dublin, forcing Ascall mac Ragnaill, King of Dublin, into exile.[1]
• 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, is assassinated in Canterbury Cathedral.

Date unknown

• The Danes attack Estonia.
• 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 date for the making of Cheddar cheese.
• According to folklore, the Welsh prince Madoc sails 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.[2]

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Significant people

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References

1. Foster, R. F. (1989). The Oxford Illustrated History of Ireland. Oxford University Press.
2. "Largest Cities Through History". About.com Geography.