3400 BCE
The earliest known proto-writing system emerges in Mesopotamia, featuring simple pictographic symbols used for record-keeping and accounting. These clay tokens and impressed tablets represent humanity's first systematic attempt to record information beyond oral tradition, laying the foundation for all future writing systems.
3 sources
- Before Writing by Denise Schmandt-Besserat
- The Origins of Writing by Wayne M. Senner
- Ancient Mesopotamia by Susan Pollock