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Leaning Tower of Pisa
Introduction & Top Questions References & Edit History Related Topics
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Leaning Tower of Pisa Close-up of the Leaning Tower of Pisa, Italy. The Leaning Tower of Pisa stands at an angle on the left, with the ornate apse of the Pisa Cathedral to the right, both set against a blue sky in Pisa, Italy. Pisa, Leaning Tower of The Leaning Tower of Pisa in Italy, a white marble bell tower with multiple arches, visibly tilting to one side against a blue sky.
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(Left) Eiffel Tower; (right) Washington Monument. Combo using assets (Eiffel Tower) 245552 and (Washington Monument) 245554.
Which Is Taller? Quiz
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Leaning Tower of Pisa: References & Edit History

Article Contributors

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Invalidated site: CNN - The Leaning Tower of Pisa was once tilting dangerously. Today it’s a different story. Sep 15, 2026
Questions and answers added. Feb 18, 2025
Add new Web site: PBS - NOVA Online - Fall of the Leaning Tower. Dec 20, 2024
Add new Web site: Missouri University of Science and Technology - Scholars' Mine - The Leaning Tower of Pisa Revisited (PDF). Oct 28, 2024
Add new Web site: CNN - The Leaning Tower of Pisa was once tilting dangerously. Today it’s a different story. Jul 22, 2024
Add new Web site: Ancient Origins - Fame from Fault: Reasons Why the Famous Tower of Pisa Leans. Mar 05, 2024
Add new Web site: Iowa State University - Institute for Transportation - Why should I care: Leaning Tower of Pisa with a civil engineer? Jan 23, 2024
Add new Web site: Academia - Leaning Tower of Pisa: Recent Studies on Dynamic Response and Soil-Structure Interaction. Oct 17, 2023
Add new Web site: Florence Museums - Leaning tower of Pisa. Aug 09, 2023
Add new Web site: The Museum of UnNatural Mystery - The Leaning Tower of Pisa: Flawed Beauty. Dec 06, 2019
Add new Web site: LiveScience - When Will the Leaning Tower of Pisa Fall Over? Feb 21, 2019
Add new Web site: Science Kids - Fun Science and Technology for Kids! - Leaning Tower of Pisa Facts. Jan 08, 2017
Media added. Sep 13, 2016
In reference to the engineer in charge when construction resumed in the 1270s, changed "Bonnano Pisano" to "Giovanni di Simone." Oct 29, 2014
Article revised and updated. Oct 17, 2011
Added new Web site: Tower of Pisa - History of leaning Tower of Pisa. May 05, 2009
Added new Web site: How Stuff Works - Adventure - The Leaning Tower of Pisa. Feb 16, 2009
Article revised and updated. Jul 23, 2008
Added new Web site: The Official Site of the Leaning Tower of Pisa, Italy. Aug 06, 2007
Media added. Jul 11, 2007
Article revised. Nov 21, 2001
Article added to new online database. May 27, 1999
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