30th Century BC - Inventions, Discoveries, Introductions

Inventions, Discoveries, Introductions

• 3000 BC–2000 BC; Hieroglyphic writing in Egypt, potter's wheel in China, first pottery in the Americas (in Ecuador).
• c. 3000 BC—Sumerians establish cities.
• 3000 BC—Sumerians start to work in various metals.
• c. 3000 BC—Knowledge of Ancient Near Eastern grains appears in Ancient China.
• 3000 BC-2000 BC - Settled villages are widespread in Mesoamerica.
• The shekal was introduced in Mesopotamia as a monetary and weight unit; see ancient weights and measures, Shekel.