+Kievan Rus' was a powerful medieval state in [Eastern Europe](/wiki/Eastern_Europe), a loose federation of East Slavic and Finno-Ugric peoples. Founded by [Vikings](/wiki/Vikings) (Varangians), its cultural and political heritage laid the groundwork for modern Russia, Ukraine, and Belarus, before its fragmentation in the 13th century.
+## See also
+- [Russia](/wiki/Russia)
+- [Ukraine](/wiki/Ukraine)
+- [Belarus](/wiki/Belarus)
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