Yamna culture

This culture was a central culture of the Indo-European migrations. It had its own PIE language from the Copper to early Bronze ages. This culture gave chances for many other people communities and formed their languages and cultural traditions.

Proto-Baltic-Slavic language

The Indo-Europeans migrated from the Pontic-Caspian steppe to Europe. They brought their language to Europe but they was migrating from the southern parts to the northern. Their way explored by Marja Gimbutas in the middle of the  20^th century and the back way from the Scandinavian Peninsula was been started in this series of the articles.

The comparison PIE and Proto-Samic

The confirmation of similar of North Sami and Finnish was shown before by the consonants of these two languages and the Proto-Indo-European language formed some moments of Proto-Finnish.