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Pisa

Maritime republic of the Middle Ages, its leaning campanile the most famous accident in architecture.

Dated events and their evidence

• 1063 CE mainstream
  the cathedral begun in the age of the maritime republic source
• 1173 CE mainstream
  the campanile begun; it starts to lean during construction source
• 1987 CE mainstream
  UNESCO World Heritage: the Piazza del Duomo source

Where

43.7230° N, 10.3960° E

Sources

• https://en.wikipedia.org/wiki/Pisa_Cathedral
• https://en.wikipedia.org/wiki/Leaning_Tower_of_Pisa
• https://en.wikipedia.org/wiki/Piazza_dei_Miracoli

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