Originally posted by Eki
The 2 library books on Finnish History I have checked out, and the Lappalainen 'REGIONAL DIFFERENCES AMONG THE FINNS: A Y-CHROMOSOMAL PERSPECTIVE', all discuss evidence of major Scandinavian migrations to South-Western and Western Finland during the Bronze Age. The interaction with Scandinavia continued during the Iron Age, but the cultural change had happened by the Bronze Age. I haven't read anything about evidence of a major Iron Age invasion from Scandinavia. Both books discussed a major 1st century A.D. invasion of Finnish speakers from Estonia.
I don't think there is any genetic evidence for an Pre-Bronze Age/Bronze Age invasion of R1a in either Scandinavia or Finland. Scandinavian R1a looks to be less than 2000 years old. It is probably the haplogroup of the people Thor Heyerdahl was researching before his death.
I admit the FTDNA MRCA estimates supports your theory of an Iron Age date for Finland I1a, but I question the current accuracy of those estimates.
Hopefully further research, and more DNA results, will give us a clearer picture of Finland's prehistory.
Steve
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