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The first evidence of cremation emerges at least 20,000 years ago in Australia, although very likely it is even older than that and occurred somewhere in Africa or Asia. It is not clear why cremation first emerged but it could either be due to emerging ritualistic practice or even the removal of bodies from a community so as to avoid the spread of disease. In fact, both reasons could be true. <ref>For more on the origins of cremation, see: Jessica Cerezo-Román, Anna Wessman, & Howard Williams (eds.) (2017) <i>Cremation and the archaeology of death.</i> First edition. Oxford, Oxford University Press.</ref>

By the Neolithic period about 10,000 years ago, cremation was more widespread in Europe and the Near East. It seems for some time, both practices were used, sometimes together in the same community, suggesting that one form of burial practice may have not become over dominant or the only accepted form of burial. This began to change by the Chalcolithic period at about 7000-6000 years ago. By then, emerging patterns suggest that cremation could have been more specific to given cultural groups. Semitic populations in the Near East, for instance, strictly avoided cremation, where their religious practice prohibited it and suggested it would have adverse effect either in the afterlife or for the living by haunting those who committed the practice. These prohibitions in the Semitic and Afro-Semitic populations, such as in Palestine, ancient Mesopotamia, and Egypt, continued through historical periods. <ref>For more on burial practices that emerged in the Old World, see: Ian Kuijt, Colin P. Quinn, & Gabriel Cooney (eds.) (2014) <i>Transformation by fire: the archaeology of cremation in cultural context.</i> Amerind studies in anthropology. Tucson, The University of Arizona Press.</ref>

Cremation emerges as common phenomenon in the Bronze Age (about 5000-4000 years ago) in Europe and South Asia. In central and northern Europe, cultures from the Bronze Age to the Iron Age (about 3000 years ago) appear to switch at times from burial to cremation. This could be because of changing cultures due to invasions and migrations that occurred. The Myceneans generally preferred inhumation, while later Greeks did practice cremation, likely influenced by Anatlian Anatolian cultures that also were influenced by Iranian and Indian cultures (i.e., the Indo-Aryan migrations that occurred in the 2nd millennium BCE). <ref>For more on the spread of cremation practices by Indo-Aryans, see: Parpola, A. (2015) <i> The Roots of Hinduism: The Early Aryans and the Indus Civilization.</i> New York, Oxford University Press.</ref>