The Western Roman Empire was the western half of the Roman Empire that existed from 27 BC until AD 476, characterized by its capital in Rome and a significant influence on the development of Western civilization. This portion of the empire faced numerous challenges, including economic decline, military defeats, and political instability, which eventually led to its collapse. The fall of the Western Roman Empire had profound effects on the emergence of the Byzantine Empire, as it marked the end of ancient Roman authority in the West and set the stage for new political entities in Europe.
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