CELTIC-SPEAKING EUROPE at her height after the battle of Allia in 387 BCE was also buffered by a Celtic cultural sphere of influence into surrounding Slavic, Germanic, Italic, Lusitanian, Iberian and Vasconic territories. It was the memory of this primaeval cultural and linguistic unity that fed into later tales of Arthurian 'empires' in Europe. The core of the European peninsular, i.e. the lands west of the Oder-Danube-Sava line, is Celticated at this time.
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