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The dome didn't just crack—it pancaked into the nave, twenty thousand tons of br
558 Event

May 7

Hagia Sophia's Dome Collapses: Justinian Orders It Rebuilt Immediately

The dome didn't just crack—it pancaked into the nave, twenty thousand tons of brick and mortar crushing the floor where emperors had stood. A mild earthquake the year before had weakened the eastern arch. Justinian, twenty-six years into his reign, didn't hesitate. He commissioned a redesigned dome, steeper and twenty feet higher than the original, using lighter materials. The new version stood for nearly a millennium. But here's the thing: the building that became Christianity's most celebrated church spent less than two decades with its first roof before collapsing under its own ambition.

May 7, 558

1468 years ago

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