alloy archaeology atlantic bronze age ballybeg basque language basque people beaker culture bronze age brythonic languages capital carrowmore celtiberians celtic languages christian copper copper age cornwall county antrim county armagh county clare county coleraine county cork county down county fermanagh county kerry county londonderry county louth county mayo county monaghan county offaly county sligo county tyrone court cairn dolmen donegal economic history of ireland epigonus europe genetic history of the british isles germany gold great britain greece haplogroup high king of ireland history of ireland history of northern ireland history of scotland ice age ireland irish language irish mythology irish people irish poetry iron age lakes of killarney last glacial maximum limerick list of high kings of ireland meath mesolithic metallurgy mount sandel munster neolithic newgrange niall of the nine hostages norman ireland peat permafrost picts pleistocene portugal pottery pre-indo-european prehistoric britain prehistoric ireland ptolemy river shannon roman empire scandinavia scotland settlement of great britain and ireland sligo spain tin tundra ulaid ulster ulster cycle wedge-shaped gallery grave world heritage site y chromosome