Comparative analysis of data from Arabic, Persian and Chinese sources on unusual natural phenomenon and disasters happening on Near and Middle East and Central Asia in the Early Middle Ages

This article contains information from Arab and Iranian sources of the anomalous natural phenomena and disasters that occurred in the Middle and Near East in the early Middle Ages.When comparing the data given the opportunity to correlate them with the description of similar events recorded in the territory of Central Asia by Chinese chroniclers, and to reconstruct the history of natural disasters in those regions.