The split between the eastern church and western church became known as

The answer here is the Great Schism of 1054.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

newly independent countries of the former ussr