Bookable
An Apollonaut travel guide
Moments in a longer story.
Selected milestones in the history of Columbia Center and its observatory.
On this page
Tower, name and observatory
These dates describe the place you can learn about here. They are not a company timeline for Apollonaut.
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1982
Construction begins
Work starts on the tower in downtown Seattle.
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1985
Completed
Columbia Seafirst Center is completed: 76 storeys and the tallest building in Seattle and Washington state.
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November 2005
Columbia Center
The tower takes the name Columbia Center.
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2013
A 360-degree view
The observation floor is remodelled as a 360-degree viewing area.
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2018
Renovated
A renovation adds two express elevators and a new lounge.
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.