Bookable
An Apollonaut travel guide
Moments in a longer story.
Selected milestones in the history of One World Trade Center and its observatory.
On this page
Site, tower and observatory
These dates describe the place you can learn about here. They are not a company timeline for Apollonaut.
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11 September 2001
The original World Trade Center
The Twin Towers, including the original North Tower, are destroyed in the September 11 attacks.
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27 April 2006
Construction begins
Work starts on One World Trade Center, on the north-west corner of the site.
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3 November 2014
The tower opens
One World Trade Center opens, with an architectural height of 1,776 feet.
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May 2015
The observatory opens
One World Observatory opens on floors 100 to 102.
Follow the stories behind the dates
A timeline is a beginning. The longer history introduces the people and places; the sources below provide further context.
Read at the source
Sources & further reading
Links lead to the original publishers.