Editing 1021 (section)

==== North America ====
* [[Vikings]] known to be occupying [[L'Anse aux Meadows]] on [[Newfoundland (island)]].<ref>Based on dating of a felled tree using [[dendrochronology]] based on a timeline using the [[993–994 carbon-14 spike]]. {{Cite journal|last1=Kuitems|first1=Margot|last2=Wallace|first2=Birgitta L.|last3=Lindsay|first3=Charles|last4=Scifo|first4=Andrea|last5=Doeve|first5=Petra|last6=Jenkins|first6=Kevin|last7=Lindauer|first7=Susanne|last8=Erdil|first8=Pınar|last9=Ledger|first9=Paul M.|last10=Forbes|first10=Véronique|last11=Vermeeren|first11=Caroline|date=October 20, 2021|title=Evidence for European presence in the Americas in ad 1021|journal=[[Nature (journal)|Nature]]|volume=601 |issue=7893 |pages=388–391|doi=10.1038/s41586-021-03972-8|pmid=34671168|pmc=8770119 |s2cid=239051036|issn=1476-4687|quote=Our result of AD 1021 for the cutting year constitutes the only secure calendar date for the presence of Europeans across the Atlantic before the voyages of Columbus [in [[1492]]]. Moreover, the fact that our results, on three different trees, converge on the same year is notable and unexpected. This coincidence strongly suggests Norse activity at L’Anse aux Meadows in AD 1021.|doi-access=free}}</ref></onlyinclude>