The mayan civilization lasted from 500 BC to 1200 AD.The way they spoke, people thought it was made before time.Archeologists recently found that the heiroglyphs were made in about 3000 BC. For a long time various scholars thought that the script meant nothing or that it wasn't a complete writing system.
Some historians believe that the mayans did not make the mayan writing.Also known as hieroglyphs.Others have learned to discover that the mayans from Copan made and\or discovered it.