When and why did writing appear?

Writing appeared about 5 thousand years ago in Sumeria. Following it, it also arose in Egypt and China, in fact, at the same time. The first writing was called cuneiform, which was represented by a set of drawings that carried a certain meaning. At the beginning, clay tablets were used for writing, later scrolls.
The main reason for the emergence of writing was the new needs of people, with the development of civilization. Since the letter made it possible to save and transmit information. Thanks to him, it became possible to record knowledge and study science.