Europeans in the Americas 1000 years ago

The Vikings were active in North America in the year 1021 AD. This now represents the earliest — and only — known year in which Europeans were present in the Americas prior to the arrival of Columbus in 1492 AD. It also represents a definitive point in time by which the Atlantic Ocean had been traversed and human migration had finally encircled the globe. https://www.sciencedaily.com/releases/2021/10/211020135924.htm