People living in Mesopotamia over 4,000 years ago inscribed minute details of their lives on wet clay tablets, which were then baked. Many such tablets have survived to our day, giving us clear evidence of the antiquity of writing.
अशाप्रकारच्या अनेक पाट्या आपल्या दिवसांपर्यंत टिकून राहिल्या आहेत; यामुळे आपल्याला लेखनकला ही जुनी प्रथा असल्याचा स्पष्ट पुरावा मिळतो.