The first true writing we know of is Sumerian cuneiform- consisting mainly of wedge-shaped impressions on clay tablets - whichwas used more than 5000 years ago in Mesopotamia.

楔形文字是世界上已知最古老的文字。 这是一种刻在陶片上的文字，它的使用者是5000多年以前生活在美索不达米亚平原上的人们。

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"In praise of King Shulgi" is one of the best examples of Sumerian writing and dates from the third century BC.

BBC: Iraq honours the word