Pre-Columbian Contact

Includes the documented Norse settlement at L’Anse aux Meadows, Newfoundland, and contested evidence for Polynesian, West African, and other contact.

One case in this subcategory is settled beyond dispute. The Norse site at L’Anse aux Meadows in Newfoundland, excavated from the 1960s and now a UNESCO World Heritage Site, provides physical proof of a European presence in the Americas around AD 1000, several centuries before Columbus. It is the documentary anchor against which every other claim here is weighed, and it shows that trans-oceanic contact before 1492 is not merely possible but, in this instance, certain.

Most other proposals do not rest on comparable ground. Suggested Polynesian, West African, Phoenician, and other early crossings range from the seriously argued to the wholly speculative, and the evidence offered — linguistic echoes, disputed artefacts, contested botanical exchanges such as the pre-Columbian sweet potato — varies enormously in quality. We catalogue what is claimed, by whom, on what basis, and we cite the trail behind each entry. Where contact is proven we say so without hedging; where it is contested or unproven we say that plainly, and we resist the temptation to let one confirmed case lend borrowed credibility to the rest.