Eurasian Backflow
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Eurasian Backflow
The term ''Eurasian backflow'', or ''Eurasian back-migrations'', has been used to describe several pre-Neolithic and Neolithic migration events of humans from western Eurasia back to Africa. ''Homo sapiens'' had left Africa about 70-50,000 years ago, and between 30,000-15,000 years ago migrated back from the Middle East into Northern Africa. About 3,000 years ago, or already early between 9,000 to 6,000 years ago, farmers from Anatolia and the Near East migrated into the Horn of Africa. Signs of this migration can be found in the genomes of contemporary people from all over East Africa. Next to Eastern Africa, significant Eurasian ancestry is found in Northern Africa, and among specific ethnic groups of the Horn of Africa, as well as among the Malagasy people of Madagascar. Various genome studies found also evidence for multiple pre-Neolithic back-migrations from various Eurasian populations and subsequent admixture with native groups. West-Eurasian geneflow arrived to Northern Afr ...
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Eurasia
Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago and the Russian Far East to the east. The continental landmass is bordered by the Atlantic Ocean and Africa to the west, the Pacific Ocean to the east, the Arctic Ocean to the north, and by Africa, the Mediterranean Sea, and the Indian Ocean to the south. The division between Europe and Asia as two continents is a historical social construct, as many of their borders are over land; thus, in some parts of the world, Eurasia is recognized as the largest of the six, five, or four continents on Earth. In geology, Eurasia is often considered as a single rigid megablock. However, the rigidity of Eurasia is debated based on paleomagnetic data. Eurasia covers around , or around 36.2% of the Earth's total land area. It is also home to the largest ...
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Malagasy People
The Malagasy (french: Malgache) are an Austronesian-speaking African ethnic group native to the island country of Madagascar. Traditionally, the population have been divided by subgroups (tribes or ethnicities). Examples include "Highlander" (ethnically Austronesian/Malay-Indonesian with less Bantu ancestry) groups such as the Merina and Betsileo of the central highlands around Antananarivo, Alaotra ''(Ambatondrazaka)'' and Fianarantsoa, and the "coastal dwellers" (ethnically Bantu with less Austronesian ancestry) with tribes like the Sakalava, Bara, Vezo, Betsimisaraka, Mahafaly, etc. The Merina are also further divided into two subgroups. The “Merina A” are the Hova and Andriana, and have an average of 30–40% Bantu ancestry. The second subgroup is the “Merina B”, the Andevo, who have an average of 40-50% Bantu ancestry. They make up less than 1/3 of Merina society. The Malagasy population was 2,242,000 in the first census in 1900. Their population experienced a m ...
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Sardinian People
The Sardinians, or Sards ( sc, Sardos or ; Italian and Sassarese: ''Sardi''; Gallurese: ''Saldi''), are a Romance language-speaking ethnic group native to Sardinia, from which the western Mediterranean island and autonomous region of Italy derives its name. Etymology Not much can be gathered from the classical literature about the origins of the Sardinian people. The ethnonym "S(a)rd" belongs to the Pre-Indo-European linguistic substratum, and whilst they might have derived from the Iberians, the accounts of the old authors differ greatly in this respect. The oldest written attestation of the ethnonym is on the Nora stone, where the word ''Šrdn'' (''Shardan'') bears witness to its original existence by the time the Phoenician merchants first arrived to the Sardinian shores. According to Timaeus, one of Plato's dialogues, Sardinia and its people as well, the "Sardonioi" or "Sardianoi" (''Σαρδονιοί'' or ''Σαρδιανοί''), might have been named after "Sardò" ...
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Neolithic
The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts of the world. This "Neolithic package" included the introduction of farming, domestication of animals, and change from a hunter-gatherer lifestyle to one of settlement. It began about 12,000 years ago when farming appeared in the Epipalaeolithic Near East, and later in other parts of the world. The Neolithic lasted in the Near East until the transitional period of the Chalcolithic (Copper Age) from about 6,500 years ago (4500 BC), marked by the development of metallurgy, leading up to the Bronze Age and Iron Age. In other places the Neolithic followed the Mesolithic (Middle Stone Age) and then lasted until later. In Ancient Egypt, the Neolithic lasted until the Protodynastic period, 3150 BC.Karin Sowada and Peter Grave. Egypt in th ...
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