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Cultural influences from all points of the compass are visible in the Finnish archeological finds from the very first settlements onwards.
E. g.
archaeological finds from Finnish Lapland suggest the presence of the Komsa culture.
The Sujala finds equal in age with the earliest Komsa-artefacts from Norway but may suggest also a connection to the Swiderian culture.
South-Western Finland belonged to the Nordic Bronze Age, which may be associated with Indo-European languages and according to Finnish Germanist Jorma Koivulehto speakers of Proto-Germanic language in particular.
Artefacts found in Kalanti and the province of Satakunta, for long monolingually Finnish, and their place-names have made several scholars argue for an existence of a proto-Germanic speaking population component a little later, during the Early and Middle Iron Age.
Old Norse-speaking population settled parts of Finland's coastal areas in the 12th to 13th centuries.
Swedish language differentiated from the eastern Norse dialects by the 13th century.
During the subsequent Swedish reign over Finland particularly the coastal areas witnessed waves of settlement from Sweden.

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