# Oldest map of America proven fake (again)(and again and again and...)

**URL:** <https://boards.straightdope.com/t/oldest-map-of-america-proven-fake-again-and-again-and-again-and/951926>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [October 5, 2021, 12:33pm UTC](https://boards.straightdope.com/t/oldest-map-of-america-proven-fake-again-and-again-and-again-and/951926 "2021-10-05T12:33:27Z")\
**Posts on this page:** 1\
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**Author:** ![mikecurtis](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mikecurtis/32/3284_2.png) [@mikecurtis](https://boards.straightdope.com/u/mikecurtis)\
**Post date:** [October 5, 2021, 1:35pm UTC](https://boards.straightdope.com/t/oldest-map-of-america-proven-fake-again-and-again-and-again-and/951926/2 "2021-10-05T13:35:04Z")

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Here’s an old thread with some recent discussion when the news broke last month.

> [@The Vinland Map-Is It a fake?](https://boards.straightdope.com/t/the-vinland-map-is-it-a-fake/127655):
>
> A recent article in the BOSTON GLOBE, relates that the Yale University-owned “Vinland” Map has been radio-carbon dated to ca. 1430. I belive that the late Dr. Walter McCrone analyzed themap. and decided that it was a fake, because: -the black lines on the map were composed of a pigment containing a titanium compund-a pigment unknown until 1925. -the yellow staining surrounding the black lines were made by a forger-the yellow stains contained iron oxide, which would not have been present in med…

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