RUS

Rus

Originally, the name Rus’ referred to the people, the region, and the medieval states of the Rus' Khaganate and Ruthenia polities. In the western cultures and English language the term is better known as Ruthenia since 11th century. Its territories are today distributed among Belarus, Ukraine, and a part of the European section of Russian Federation.

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Rus'

Rus' is an ethno-cultural region in Eastern Europe inhabited by Eastern Slavs. Historically, it comprises the northern part of Ukraine, the north-western part of Russia, Belarus and some neighbouring parts of Finland, the Baltic states, Poland and Slovakia.

The above text is a snippet from Wikipedia: Rus' (region)
and as such is available under the Creative Commons Attribution/Share-Alike License.

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