Siege of Dorostolon

Timeline

1. c. 971Dorostolon · BulgariaSviatoslav besieged the Byzantine-held fortress of Dorostolon, attempting to consolidate occupation of the Bulgarian interior, but stubborn resistance from the garrison left the siege deadlocked.
2. c. 971Outside Dorostolon · BulgariaEmperor John I personally led a large Byzantine army southward, cutting off the Rus' supply lines and engaging in a field battle outside the city; the Rus' suffered heavy casualties and were forced to lift the siege and take up a defensive position.
3. c. 971Dorostolon · BulgariaWith provisions exhausted and no relief in sight, Sviatoslav negotiated peace with Byzantium, promising to withdraw from Bulgaria and return captives; Rus' power in the Balkans contracted sharply, setting the stage for the Pecheneg ambush on the northward march.