Ibn Fadlan gave his account of Europeans while serving as an emissary to a state based along this river at the town of (*)
The now-lost city of Ashli is only mentioned as being controlled by a state along this river, which had a ruler named Chelbir who dealt the Mongols one of their first defeats at the Battle of Samara Bend. The medieval trade route based along this river originated to the north and west in the town of Beloozero. The Ingvar Runestones refer to an expedition down this river led by Ingvar the Far- Traveled. Ibn Fadlan gave his account of Europeans while serving as an emissary to a state based along this river at the town of (*) Bolghar, the logically-named capital of a state of "Bulgaria" named for this river. The Oirats who settled in the basin of this river became known as Kalmyks. A cathedral was built to commemorate the 1552 conquest of a khanate whose capital was along this river by Ivan the Terrible. For 10 points, Kazan is along what river that passes Astrakhan on its way to the Caspian Sea?
The now-lost city of Ashli is only mentioned as being controlled by a state along this river, which had a ruler named Chelbir who dealt the Mongols one of their first defeats at the Battle of Samara Bend.
Volga River [accept Volga Bulgaria]