There's recent evidence from mouse DNA, sheep shit silt and pollen, that the Vikings reached the Azores some time around 800 AD: https://www.science.org/conten

There's recent evidence from mouse DNA, sheep shit silt and pollen, that the Vikings reached the Azores some time around 800 AD: https://www.science.org/content/article/vikings-paradise-were-norse-first-settle-azores https://www.science.org/content/article/vikings-paradise-wer...