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Human habitation of the region dates back thousands of years , with some early archaeological findings in the area dated to at least the 13th millennium BC , although later dates around the 10th millennium BC are more securely recognized .
 10th millennium BC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 10th millennium BC