30th century BC
The 30th century BC was a time period that lasted from the year 3000 BC to 2901 BC.
Events
[Image:Egypte louvre 290.jpg|thumb|120px|Stele bearing the name of Djet]- Before 3000 BC: An image of a deity recovered from Tomb 12 in Fanshan, Yuyao, Zhejiang, is made during the Neolithic period by the Liangzhu culture. It is now kept at Zhejiang Provincial Museum, Hangzhou.
- c. 3000 BC: Earliest remains from Aniba (Nubia).
- c. 3000 BC: Early agriculture in North Africa.
- c. 3300 BC – 2600 BC: Early Harappan period continues in the Indus Valley.
- c. 3000 BC: Camels are domesticated in Egypt.
- c. 3000 BC: There is an intense phase of burial at on the Hill of Tara, the ancient seat of the High King of Ireland.
- c. 3000 BC: Stonehenge begins to be built. In its first version, it consists of a circular ditch and bank, with 56 wooden posts.
- c. 3000 BC: Cycladic civilization in the Aegean Sea starts.
- c. 3000 BC: Helladic period starts.
- c. 3000 BC: Aegean Bronze Age starts.
- c. 3000 BC: Austronesian expansion begins.
- c. 3000 BC: Jawa, Jordan is founded along with the world's first known dam.
- c. 2960 BC: Death of Egyptian First Dynasty pharaoh Semerkhet, whose name marks the first definitive use of a Nebty name.
- c. 2920 BC: Troy is founded on this date.
- c. 2900+ BC Prometheus would have sprouted in this century.
Inventions, discoveries, introductions
- 3000–2000 BC – Hieroglyphic writing in Ancient Egypt, potter's wheel in China, first pottery in the Americas.
- c. 3000 BC – Sumerians establish cities.
- c. 3000 BC – Sumerians start to work in various metals.
- c. 3000 BC – Knowledge of Ancient Near Eastern grains appears in Ancient China.
- 3000–2000 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.
- The Sydney rock engravings date from around 3000 BC.