Analysis of information sources in references of the Wikipedia article "西欧" in Chinese language version.
The term 'Eastern Europe' is ambiguous and in many ways outdated.
Until the late fifteenth century the idea of Europe was principally a geographical expression and subordinated to Christendom which was the dominant identity system in the West. The idea of Europe as the West began to be consolidated in the foreign conquests of the age of 'discovery" (...) "Europe then begins to shed itself of its association with Christendom and slowly becomes an autonomous discourse.