I already provided references that writing evolved from proto-writing over time in different cultures of the world independently over a period of several thousand years including in the America's. There is not one palace and time that writing originated. The oldest complete writing system is in Sumer.
en.wikipedia.org
Proto-writing consists of visible marks
communicating limited information.
[2] Such systems emerged from earlier traditions of
symbol systems in the early
Neolithic,
as early as the 7th millennium BC in China and southeastern Europe. They used ideographic or early mnemonic symbols or both to represent a limited number of concepts, in contrast to true writing systems, which record the language of the writer.
[3]
Paleolithic
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Analysis in 2022, led by Bennet Bacon, an amateur archaeologist,
[4] showed that lines, dots and "Y"-like symbols on
Upper Palaeolithic cave paintings were used to indicate the mating cycle of animals in a
lunar calendar. The markings found in over 400 caves across Europe were compared to the mating cycles of the animals with which they were associated, showing a correlation with the month of the year in which the animals depicted in the cave paintings would typically give birth. The markings were 20,000 years old, predating any other equivalent writing systems by 10,000 years.
[1][5]
Neolithic
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Turtle plastron from Jiahu inscribed with an eye-like symbol
[6][7]
Neolithic China
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Further information:
Neolithic symbols in China
In 2003, turtle shells with
carved inscriptions featuring a library of symbols were found in 24 Neolithic graves excavated at
Jiahu in the northern Chinese province of
Henan. Using
radiocarbon dating, the inscriptions have been dated to the 7th millennium BC. According to some archaeologists, the symbols bear a resemblance to the first attested
oracle bone inscriptions dating to c. 1200 BC.
[8] Others have dismissed this claim as insufficiently substantiated, claiming that simple geometric designs such as those found on the Jiahu shells cannot be linked to early writing.
[9]
Neolithic Southeastern Europe
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Clay amulet, one of the
Tărtăria tablets, dated to c. 5300 BC
The
Vinča symbols (6th–5th millennia BC) are an evolution of simple symbols first attested during the 7th millennium BC). Over time, the symbols gradually became more complex, ultimately culminating in the
Tărtăria tablets (c. 5300 BC).
[10]