The Battle of Silistra/Dorostolon occurred in the spring of 968 near the Bulgarian town of Silistra, but most probably on the modern territory of Romania. It was fought between the armies of Bulgaria and Kievan Rus' and resulted in a Rus' victory. Upon the news of the defeat, the Bulgarian emperor Peter I abdicated. The invasion of the Rus' prince Sviatoslav was a heavy blow for the Bulgarian Empire, which by 971 lost its eastern provinces to the Byzantine Empire.
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