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I see a lot of buildings in the old inner city were built in the year 1005 CE. Is there any historical significance to that year? http://dev.citysdk.waag.org/buildings/?utm_source=buffer&utm...

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Yeah, none of those are probably accurate. My colleague owns a house in the area you linked to that was built in or around 1605, but it's listed as 1005 as well.

Fortunately, the site links to this page where you can report incorrect data: http://www.kadaster.nl/web/Themas/themaartikel/BAGartikel/BA...

I suspect it is because they don't actually know the date of those houses, but just know that they are old. 1005 is strange for Amsterdam, as Amsterdam first really became a city in the 1300s. Still, maybe it is just the tool's 'first date' or something.

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