The Celts are an overarching term to refer to the ethnic group that spread through Europe in the pre-Roman era. The Irish, Welsh, and Scots all have a Celtic ancestry, but they settled their respective regions before the Roman conquest of Britain.  There is an amazing amount of debate as to the origin of the Celts:  were they Phoenician?  stocky and dark?  tall and blonde?  as culturally cohesive as the label suggests?   The standard theory is that the Celts were an Indo-European group that gradually migrated across Europe and Asia, with an identifiable, distinct culture by 750 BC.  As a group, they were well-known to the Greeks and Romans.  The map to the right shows the migrations of the celtic (or proto-celtic) groups around 1000 BC.   Note the expansion of the Celts in particular between 500 and 200 BC into the Read more…