At a council in this city, Boris I returned from the monastery he had abdicated to in order to depose his pagan son Vladimir-Rasate. For 10 points each:
[10h] Name this city. The capital of the First Bulgarian Empire was moved from Pliska to this city so that Simeon I would be more influenced by Christians than pagans.
ANSWER: Preslav [accept Veliki Preslav or Great Preslav]
[10e] Scribes at the Preslav Literary School developed this script, which incorporated letters from the earlier Glagolitic alphabet.
ANSWER: Cyrillic [or kirillíčeskij; or kirilica]
[10m] Preslav was occupied by Sviatoslav I, who held this title, during his conquest of the Khazars and the Bulgars. Oleg the Wise is described as the first holder of this title in the Primary Chronicle.
ANSWER: Grand Prince of Kiev [prompt on grand prince by asking “of what city?”; prompt on answers indicating a ruler of Kiev; reject other specific titles like “king”]
<Albert Nyang, European History>