The investigation, headed by Mu'tasim's trusted Turkish…
October 838 CE
The investigation, headed by Mu'tasim's trusted Turkish general Ashinas following the discovery of the conspiracy to assassinate Mu'tasim and place his nephew al-Abbas on the throne, results in the execution of most conspirators.
This is broadened into a virtual purge of the army, in which the hitherto dominant Khurasani element is replaced with Mu'tasim's favored Turks.