Did the Vikings reach America first?

The claim, and the verdict

The claim has two forms. “The Vikings discovered America” and, more carefully, “Europeans reached America long before 1492”.

The verdict: the second is true and proven; the first needs correcting. Norse people from Greenland reached North America around 1000 and were certainly there in 1021. That makes them the first Europeans known to set foot in the Americas, nearly five centuries before Christopher Columbus. But the land was home to millions of people whose ancestors had arrived at least 15,000 years earlier, and the Norse met and fought some of them. “Discovered” describes the European point of view only. The Norse also did not stay: their American ventures seem to have lasted a few years, and they left little mark on the continent.

What the sagas say

Two Icelandic sagas tell the story: the Saga of the Greenlanders (Grænlendinga saga) and the Saga of Erik the Red (Eiríks saga rauða). Both were written down in the thirteenth century, about two hundred years after the events, from oral tradition. They disagree on details, but the outline is the same.

• Erik the Red founded the Norse settlements in Greenland in about 985.
• A trader, Bjarni Herjólfsson, blown off course, sighted unknown wooded land to the west but did not land (Greenlanders' saga).
• Around 1000 Erik's son Leif Erikson sailed west and named three lands: Helluland (“flat stone land”, probably Baffin Island), Markland (“forest land”, probably Labrador) and Vinland (“wine land”), where he wintered.
• Later voyages followed, including an attempt at settlement by Thorfinn Karlsefni and his wife Gudrid, whose son Snorri is said to be the first child of European parents born in the Americas.
• The Norse traded with and fought local people they called Skrælings, and gave up because of the conflict and the distance from home.

Leif named Vinland for the grapes or vines his crew found there, according to the Greenlanders' saga. Wild grapes do not grow in Newfoundland, which suggests the Norse went further south, at least to the Gulf of St Lawrence.

What the evidence shows: a dated source table

The 2021 study is a neat piece of science. In 993 a solar storm caused a sudden spike of carbon-14 in the atmosphere, which shows up in the tree ring for that year everywhere in the world. By finding that ring in pieces of wood cut with metal tools (which the local people did not use) and counting the rings to the bark edge, the team showed the trees were felled in 1021. That is the earliest exact date for Europeans in the Americas.

Butternuts found at the site matter too. Butternut trees do not grow in Newfoundland; the nearest grew around the Gulf of St Lawrence. So the Norse travelled further south and brought the nuts back, which fits the sagas' Vinland.

How the myth and the counter-myths spread

For centuries the sagas were treated as legends. In the nineteenth century, Scandinavian and American writers revived them, partly from national pride, and in the United States 9 October became Leif Erikson Day by presidential proclamation in 1964. Until 1960 there was no physical proof, which left room for both scepticism and fakes.

• The Kensington Runestone, “found” in Minnesota in 1898, is considered a modern hoax by most scholars.
• The Vinland Map, presented by Yale University in 1965 as a fifteenth century map showing Vinland, was confirmed as a forgery by Yale in 2021: its ink contains titanium compounds first used in the 1920s.
• Claims of Norse settlements across New England rest on misread stones and towers, not excavated Norse sites.

Other voyagers also reached the Americas before 1492. Genetic studies published in 2020 suggest Polynesians and Indigenous South Americans met around 1200, and the sweet potato spread across the Pacific long before Europeans arrived. Claims that Chinese fleets under Zheng He reached America in 1421 are rejected by historians.

What Leif Erikson actually did, as far as we know

Leif left no writings, and everything about him comes from the sagas. They describe him as the son of Erik the Red, a careful sailor who bought Bjarni's ship, and a Christian convert who, at the request of King Olaf Tryggvason of Norway, brought the faith to Greenland. In the Greenlanders' saga he builds houses in Vinland, explores with his crew, and returns to Greenland with timber and grapes. Whether L'Anse aux Meadows is “Leifsbúðir”, Leif's camp in the saga, is debated: it may have been a base camp for journeys further south.

You can ask him about Vinland and the Skrælings by talking with Leif Erikson in Yuga, by voice or text. It is an AI recreation built from the sagas and the archaeology, not the real Leif, and the sagas themselves are late sources, so cite the sagas and the excavation reports, not the app.

How to check a claim about who was first

1. Ask “first for whom?”. Indigenous peoples were first in the Americas by many thousands of years.
2. Separate written stories from physical evidence. The sagas were confirmed only when the site was dug.
3. Ask how a date was measured. The 1021 date rests on a global tree ring marker.
4. Be suspicious of finds that appear exactly when people want them, like maps and rune stones.

More: the greatest explorers in history, the Age of Exploration, medieval Europe's key figures and how to check if a quote is real.