
(lived 1st century AD) Caledonian chieftain who organized the bitter resistance offered about AD 85 to the Roman invaders under Gnaeus Julius Agricola. He was finally defeated at the Battle of Mons Graupius, Scotland, in...
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http://www.encyclo.co.uk/local/20688

Galgacus was a chieftain of the Caledonian tribes, who in 84 AD resisted Agricola's invasion of Scotland, but was defeated in a great battle near the Grampian mountains.
Found on
http://www.probertencyclopaedia.com/browse/CXG.HTM
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