 Complete the following phrase:  Arab Muslims fought the Sassanid empire in the 7th century AD, conquering the region. The city was a part of the Islamic Caliphate until the tenth century. Kirkuk and the surrounding areas were then ruled by the Hasanwayhid Kurds  Annazid Kurds from 1014 to 1120 AD, then it was taken over by Seljuk Turks for many years. After the divided empire collapsed, the city came under the Abbasids rule once again Suleiman Shah who was the governor of the city until it was taken over by Mongols in 1258. After the Mongol invasion, the Ilkhanate State was founded in the region and the city became a part of the Mongol Ilkhanate. The Ilkhanate rule ended when in 1336, the Ardalan Kurds took over the city, despite being vassals themselves of the various in Persia centred succeeding Turkic federations in the region, namely that of the Kara Koyunlu, and the Ak Koyunlu specifically. After the 