Timeline (Imperium Islamica)

Heraclius' Conversion
The emperor of the, , converted to Islam in 628 and declared Islam to be the only lawful religion of the Byzantine Empire. Nobility hated this and Heraclius, describing Christianity to be "mindless worship of the half-god Jesus," shunned Christianity and viewed Islam with its "giving to the poor" as good. In a series of reforms similar to Constantine's, Islam became the religion of the Byzantines. However, not all viewed the change well. Notably, the Pope of Christianity declared Byzantine territory in Italy to be under his direct control. Declaring what was termed the ", it fell under Frankish influence almost immediately. This strengthened the Merovingians a lot. In addition, Byzantine Spain also declared independence. However, much of the Byzantine Empire remained secure. Non-Muslim dhimmis were taxed and gradually, Islam became the dominant religion of the Byzantines. By that point, Muhammed had unified Arabia under Islam. Caliphate expansionism was reduced by the Muslim Byzantines. Persia would spared from the Sword of Islam. However, another event would rock the Caliphate. Muhammed died and this caused a succession crisis in the Caliphate. The Byzantines, already Graecifying Arabia, decided that the rightful caliph was Ali Talib because of his relation, and therefore, claim to becoming caliph. With Heraclius' support, Talib became the caliph of the . In this period, expansion was unneeded but the Talibids still became a world power. The Ummah was prospering. The Christendom was a whole other story.

Saracen Crusade
Main article:  The Christendom was in disarray. The loss of so many ethnic groups to the "Saracens" had wreaked havoc on the region as xenophobia heavily increased. To show that the Christandom still strong, the Pope declared a crusade on the Ummah to regain the Levant in 667. After Christian nationalism was increased to the point that children were leading legions against the Muslims, the war looked pro-Christian. At the same time, similar Muslim nationalism rose in the Byzantine Empire and in the Talibid Caliphate. In 679, the crusade ended and was a failure. Islamization of the Slavs was assured and the Muslim world looked at their victory in pride.

Sassanid Upheaval
The was facing Islamic conversions in the West. The emperor declared Islam illegal and declared Zurvanism, or dualist to be the religion of Persia. Sassanid wars with the Arabs proved indecisive mainly due to the fact that the Persians had recovered from the devastation caused by the Byzantine-Sassanid Wars. Overall, the empire was quiet for the time being. However, the Ummah was not so quiet.

Byzantine-Arab War
Main article:  The caliph of the Talibid Caliphate hated the widespread Greek influence on his empire. To end it, he declared war on the Byzantine Empire in 686. The war was devastating to the Talibids and and  were both sacked by Byzantine forces. A large amount of territory was seceded to the Byzantines post-war, in 704. was given to the Byzantines. The Byzantine Emperor declared himself Caliph after marrying a relative of Muhammed. Greek influence was now coming into the Talibid Caliphate like mad. However, something much worse for the Byzantine was occurring.

Byzantine-Frankish War
Main article:  The Franks hated the Byzantines even when they were Christian. The tribes were being Islamized.