Final answer:
Justinian's birth coincided with significant events in Western Europe, including his efforts to re-conquer the western empire and impose Christian uniformity. However, unity declined after his death due to political divisions and external threats.
Step-by-step explanation:
When Justinian was born, there were several significant events and trends happening in Western Europe. Justinian, who was the Eastern Roman emperor from 527 to 565, was focused on re-conquering the western empire from the Germanic kings and imposing Christian uniformity. He funded the construction of numerous churches, including the famous Hagia Sophia. However, after Justinian's death, political and religious unity declined, and the Germanic kingdoms and Persians posed challenges to the Byzantine Empire.