Sahl Smbatean captures Babak in January 838…
January 838 CE
Sahl Smbatean captures Babak in January 838 and surrenders him to Afshin, for which service Sahl receives one million silver dirhams as a reward.
Babak is soon executed by gruesome torture.
According to Movses Kaghankatvatsi, the Caliphate assigned Sahl sovereignty over Armenia, Georgia and Albania.