Early Civilizations: Achievements and Contributions

The concept of zero was first developed in India around the 5th century BCE.

The Code of Hammurabi was written in ancient Mesopotamia around 1750 BCE.

The Egyptians developed a system of writing based on hieroglyphs around 3000 BCE.

The Great Wall of China was built by the Chinese over a period of centuries, beginning in the 7th century BCE.

The Mesopotamians developed a system of mathematics based on the number 60 around 3500 BCE.

The pyramids of Giza were built by the Egyptians around 2500 BCE.

The Mesopotamians developed a system of irrigation that allowed them to grow crops in the desert around 3500 BCE.

The Mesopotamians developed a system of writing based on cuneiform around 3500 BCE.

The Mesopotamians developed a system of astronomy that allowed them to predict the movements of the stars and planets around 3500 BCE.

The Egyptians developed a system of medicine that included surgery and the use of herbs around 3000 BCE.

The Mesopotamians developed a system of government that included a king and a council of advisors around 3500 BCE.

The Mesopotamians developed a system of trade that included the use of money around 3500 BCE.

The Mesopotamians developed a system of education that included schools and universities around 3500 BCE.

The Mesopotamians developed a system of art and literature that included painting, sculpture, and poetry around 3500 BCE.

The Mesopotamians developed a system of music that included the use of instruments and vocal music around 3500 BCE.