31st century BC

Events

c. 3100 BC — Narmer, pharaoh, rules (other dates are 3150 BC–3125 BC).)
c. 3100 BC — Menes unites Ancient Egypt.
c. 3100 BC — Predynastic period (Neolithic) ends in Ancient Egypt (other date is 3150 BC).
c. 3100 BC — Early Dynastic (Archaic) period starts in Ancient Egypt (other date is 3150 BC).
c. 3100 BC — First stage in the construction of Stonehenge.)
c. 3100 BC — 2600 BC - Skara Brae, Orkney Islands, Scotland is inhabited. Discovered 1850.)
c. 3100 BC — Anu Ziggurat and White Temple in Uruk, Mesopotamia (modern Warka, Iraq) are built.)
c. 3050 BC — Menes, pharaoh, was born (another lists).)
3000 BC — Menes unifies Upper and Lower Egypt, and a new capital is erected at Memphis.)
3000 BC — Menes, pharaoh, died.)
c. 3100 BC — Humans develop a writing system, cuneiform script.

9 October 3009 BC Julian Mahabharata war started (according to calculations of Aryabhatta).