Sulayman, son of the caliph Hisham, is…

Sulayman, son of the caliph Hisham, is first attested as leading the northern summer expedition ("of the right") against imperially held Anatolia in 732, and again in 735, in 736 (this time into Armenia) and in 737, but on neither campaign does he seem to have accomplished anything of note.

In 738 however, he had sacked an imperial fortress called Sideroun ("Iron Fort") taking many prisoners, including its commander, Eustathios.

In 740, he is placed in overall charge of the exceptionally large campaign prepared for that year, which according to the chronicle of Theophanes the Confessor totaled ninety thousand men.

Two task forces are sent first, one of ten thousand lightly armed men under al-Ghamr ibn Yazid, which is to raid the western coast of Anatolia, and twenty thousand under Abdallah al-Battal and al-Malik ibn Su'aib, who follows after towards Akroinon.

The main force of some sixty thousand (the number is certainly much inflated), under Sulayman, raids Cappadocia with Tyana as their target.

Sulayman fails to take the city, and returns home after plundering the countryside.

The second task force, however, suffers a major defeat at the Battle of Akroinon, losing some two thirds of its men, as well as its commanders.

Details of the battle are not known, but the Emperor, Leo III, secures a crushing victory: both Arab commanders fall, as well as the larger part of their army.

About six thousand eight hundred resist, however, and manage to conduct an orderly retreat to …