The biggest influence of Byzantine/Greek culture on Russia was the alphabet, specifically the Cyrillic alphabet introduced by missionaries Cyril and Methodius.
The biggest influence of Byzantine/Greek culture on Russia was the alphabet. In the ninth century, missionaries Cyril and Methodius devised the Cyrillic alphabet to write the Bible and liturgy, spreading Orthodox Christianity to the Slavic peoples. This adoption of the Cyrillic alphabet by Russia was a significant cultural influence from the Byzantine Empire.
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