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Offa's Dyke

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

Offa's Dyke ancient entrenchment of W England and E Wales, from the Dee estuary to near the estuary of the Wye River. It was built in the 8th cent. by Offa, king of Mercia , as a barrier against the Welsh and lies mainly along the England-Wales boundary. Watt's Dyke, a similar work, roughly parallels a section of Offa's at a distance of c.2 mi (3.2 km). Parts of the dikes are well preserved.

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Offa's Dyke

A Dictionary of British Place-Names | 2003 | | Copyright

Offa's Dyke (Clawdd Offa) (linear rampart forming ancient boundary between England and Wales). Denb.–Mon. Offan dic 854, Offedich 1184. ‘Dyke or earthwork traditionally associated with the 8th cent. Mercian king Offa’, from OE dīc. The Welsh name has the same sense. See also Knighton.

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A. D. MILLS. "Offa's Dyke." A Dictionary of British Place-Names. 2003. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

A. D. MILLS. "Offa's Dyke." A Dictionary of British Place-Names. 2003. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O40-OffasDyke.html

A. D. MILLS. "Offa's Dyke." A Dictionary of British Place-Names. 2003. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O40-OffasDyke.html

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Offa's Dyke

A Dictionary of World History | 2000 | Copyright

Offa's Dyke A series of earthworks running the length of the Welsh border from near the mouth of the Wye to near the mouth of the Dee, built or repaired by OFFA (king of Mercia, 757–96) to mark the boundary established by his wars with the Welsh.

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"Offa's Dyke." A Dictionary of World History. 2000. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O48-OffasDyke.html

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