The Bulgarians found themselves on the Balkans at times that were difficult for Byzantium. Inspired by Islam, Arabs had begun the persistent onslaught from the east that was to continue for three centuries and at times bring the empire to the brink of ruin. The state borders so dear to the heart of contemporary man were practically nonexistent. The garrisons along the border were weak and could not stop invaders. There was a niche in power, which the Bulgarians were quick to fill. They began a series of pillaging attacks to the south. And what was more disconcerting from the point of view of Constantinople, the newcomers began to ally themselves with the Slavs on the time-honoured principle that the enemy of one’s enemy is one’s friend.
Emperor Constantine IV Pogonates decided to follow the example of Alexander the Great and cut through the Gordian knot of increasingly complex problems with one blow. He loaded a large army on ships, sent another by land, and besieged the Bulgarians in their fortified camp. The adversary, however, was experienced in making fortifications. The siege dragged on. There were also numerous Bulgarian parties in the steppe, which attacked the Byzantines from the rear.
Continue reading The Establishment of Danubian Bulgaria

