History of Slavs seems to be a big mess.
This could be an understatement of the year.
Indeed the origins of Slavs in general are very obscure and there is so much conflicting data and different theories. My question about South Slavs was motivated by this, and since it ended up in Questions about Malta thread I thought maybe to rephrase this question within this thread which seems to be connected.
If I may suggest Agni - many different theories and research about origin of Slavs have one thing in common - Protoslavic Homeland and I feel there might be something to it. Maybe your question could be rephrased: Do Eastern Slavs come from Proto- Slavic Homeland? if so where was this homeland?
In my amateur research of the origin of South Slavs I have come to conclusion that people which are now known as South Slavs or Yugoslavs (Croats, Serbs, Bosnians) have very little to do with original slavic genome. They seem to be remains of ancient Balkan's people mostly Ilyrians , Dachians and Trachians ( all Arians of Dinaroid type) which were slavenized through the large influx of Slavic tribes to Balkan peninsula as of 600 A.D. Apart form these two major components there seems to be a lot of romanic, germanic, hunnish, and turkish influence depending on the region.
The "slavenizaton" of ancient Balkan people consisted mainly in cultural and linguistic influence while dinaroid genome, being very resilient (according to some authors) still prevails.
The recent research of genetic haplotypes in some Yugoslav populations seems to support this.
Alas, there is still a lot of conflicting data. One that puzzles me the most is the fact that Dinaroid Arians are thought to have predominant brachicephalic type of skull. Contemporary Balkan people also seem to have this type of skull predominant. But guess what - the research of medieval skulls from various region of Balkan peninsula shows predominant dolichocepahilc skull type which is very common for Nordics. No scientist was yet able to explain this?
This is what i would like to ask Cassiopeia in relation to the Slavic Question:
Is this theory about origins of South Slavs described above close to what really happened?
How reliable are the data about the difference in skull type of medieval and contemporary Balkan inhabitants? if true what is the explanation of this mystery?
And finally: What is the proto-homeland of all Slavs, is it Poland as some suggest? What caused the mass migration of Slavs on such a large scale?