Within the eleventh century, the very first Bulgarian Empire collapsed less than numerous Rus' and Byzantine assaults and wars, and was conquered and became Element of the Byzantine Empire till 1185. Then, a major rebellion led by two brothers, Asen and Peter from the Asen dynasty, restored the Bulgarian state https://bulgaria-china14826.blogsmine.com/29383661/the-single-best-strategy-to-use-for-china