In 602, a new historical period begins for the Slavic tribes and for all of Eastern Europe. Having broken through the border of the weakened Byzantine Empire, torn apart by internal turmoil, the Slavs settled widely throughout its territories, not only European ones. At the same time, the flows of Slavic colonization, long restrained by state and tribal borders, rush to the north - to the Baltic along its entire length. In the east, the Slavs penetrate deeper into the forest-steppe and forest lands along the borders of the Turkic steppes. As a result of all these events, Slavic Europe from a relatively small collection of tribal territories turns into the Slavic World known to us today. Its borders already in the second half of the 7th century extended from the southern tip of the Peloponnese to Lake Ladoga, from the upper reaches of the Don to the Rhine Basin.