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Created page with "== Origins and Discovery == The Aztec calendar stone, also known as the Sun Stone, is one of the most iconic artifacts from ancient Mesoamerica. It was discovered in December 1790 in the main square of Mexico City, buried beneath the surface of the Zócalo. The stone, carved from basalt, measures approximately 3.58 meters in diameter, 1.22 meters in thickness, and weighs around 24 tons. Image:Detail-48811.jpg|thumb|center|A large, in..."