What is the most important Sumerian invention?

The most important Sumerian invention is often considered to be writing, specifically cuneiform script. Developed around 3500 BCE, it enabled the recording of transactions, laws, and literature, significantly advancing communication and administration. This innovation laid the foundation for record-keeping and the development of complex societies, influencing subsequent cultures and languages. Additionally, it marked a pivotal shift in human history, facilitating the preservation of knowledge across generations.