The Ottoman Empire, currently the Caliphate Province of the Ottomans, has a long and rich history.
In 1451 the Ottoman Empire conquered the Byzantine Empire, only to have it retaken by an enormous in a huge backstab by the Christian world. To this day the Ottomans are planning for revenge to retake there lands and grind Christendom into the dust.
Following the humiliating defeat at the hands of the backstabbing Christians, the Ottoman Empire and most of the Muslim World united under the banner of the Hashemite Caliphate, creating a balance to the Christian alliance, which had begun fighting among themselves, opening up the possibility of an Islamic invasion of Christendom, and the restoration of the Ottoman lands.