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Articles relating to Middle-earth, the fictional setting of much of the English writer J. R. R. Tolkien's fantasy. Middle-earth is the human-inhabited world, that is, the central continent of the Earth, in Tolkien's imagined mythological past. Middle-earth is the main continent of Earth (Arda) in an imaginary period of the Earth's past, ending with Tolkien's Third Age, about 6,000 years ago.