Hagia Sophia of Constantinople
On May 7, 558, the main dome of Hagia Sophia, Church of the Holy Wisdom and seat of the Orthodox patriarch of Constantinople, collapsed completely during an earthquake. Hagia Sophia is one of the greatest surviving examples of Byzantine architecture. Emperor Justinian I himself had overseen the completion of the greatest cathedral ever built up to that time, and it was to remain the largest cathedral for 1,000 years up until the…
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