Moderna människor spred sig från Afrika till de andra kontinenterna under en lång tidsperiod. Här är en översikt över när Homo sapiens nådde var och en av de sju kontinenterna:
Afrika
Afrika är mänsklighetens vagga. Moderna människor utvecklades i Afrika för minst 300 000 år sedan1.
Asien
De första moderna människorna lämnade Afrika och nådde Asien för cirka 200 000 år sedan1. Nyare fynd tyder på att människor kan ha nått södra Östasien redan för 86 000-68 000 år sedan2.
Europa
Tidiga bevis på moderna människor i Europa har daterats till cirka 210 000 år sedan i Grekland1. Dock etablerade sig vår art permanent i Europa först för 50 000-60 000 år sedan1.
Australien
Arkeologiska fynd visar att människor nådde Australien för 50 000-65 000 år sedan5.
Nordamerika
Nya studier tyder på att människor kan ha nått Amerika så tidigt som för 33 000 år sedan6. Detta är betydligt tidigare än den tidigare accepterade tidpunkten på cirka 18 000 år sedan.
Sydamerika
Nyligen upptäckta bevis antyder att människor kan ha varit i Sydamerika för cirka 21 000 år sedan7, vilket är tidigare än man tidigare trott.
Antarktis
Antarktis har ingen ursprunglig mänsklig befolkning. Den första bekräftade mänskliga ankomsten skedde 1821, när den amerikanske upptäcktsresanden John Davis rapporterades ha satt sin fot på den isiga kontinenten10.
Det är värt att notera att dessa datum representerar de tidigaste kända bevisen och kan komma att revideras när ny forskning görs. Spridningen av moderna människor över jorden var en komplex process som skedde i flera vågor under tiotusentals år.
Citations:
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