Country: Saudi Arabia
I guess Boris Johnson is aiming high here, Berlusconi has probably blown his load, as for the Abbasids... it is probably a long shot, though I am sure knowledgeable AM'ers can advice on the matter.
Hulagu put them permanently on ice. The only way they're coming back is if they escaped the Mongol's predations in an alternate universe.
The knock-on effect is that this with a Baghdad that wasn't ravaged most likely doesn't have an Arteta led Arsenal