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An archaeological discovery off Japan: spread over 311 miles on the ocean floor, are the well-preserved remains of an ancient city or a number of closely related sites. Nearly twice the age of the great pyramids of Egypt, the rectangular stone ziggurat under the sea off the coast of Japan could be the first evidence of a previously unknown Stone Age civilization.The monument is 600ft wide and 90ft high and has been dated to at least 8,000 BC.
Gobekli Tepe stone bags and the Sumerian connection. One of the oldest archeological sites on earth
The Olmec "earliest pre-Columbian writing" dated between 1100 BCE and 900 BCE, with a set of 62 symbols, 28 of which are unique. There are also well-documented later hieroglyphs known as "Epi-Olmec", some who believe that Epi-Olmec may represent a transitional script between an earlier Olmec writing system and Mayan writing.