Prehistoric Ireland spans a period from the first known evidence of human presence dated to about 7,000 BC until the emergence of "protohistoric" Gaelic Ireland at the time of Christianization in the 5th century. Christianity subsumed or replaced the earlier polytheism and other forms of Celtic paganism by the end of the 7th ...
Early Irish History. Historians estimate that Ireland was first settled by humans at a relatively late stage in European terms – about 10,000 years ago. Around 4000 BC it is estimated that the first farmers arrived in Ireland. Farming marked the arrival of the new Stone Age. Around 300BC, Iron Age warriors known as the Celts ...
The first human settlements in Ireland, an island lying on the western fringe of Europe, were made relatively late in European prehistory. The different stages of Irish history are outlined here.