31st century BC

Events



 * c. —, , rules (other dates are 3150 BC–3125 BC).)
 * c. 3100 BC — unites.
 * c. 3100 BC — Predynastic period (Neolithic) ends in (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 .)
 * c. 3100 BC — -, ,  is inhabited. Discovered .)
 * c. 3100 BC —  and  in,  (modern , ) are built.)
 * c. —, pharaoh, was born (another lists).)
 * — unifies  and, and a new capital is erected at .)
 * —, pharaoh, died.)
 * c. 3100 BC — Humans develop a,.

Significant persons

 * , pre-dynastic s of
 * , founder of the
 * , Narmer's successor
 * , son of, (3073 BC–2104 BC) according to the

Inventions, discoveries, introductions

 * s
 * and system in
 * s, s, s using and  in
 * in
 * was in use, both as tools and weapons

Mythology

 * Julian war started (according to calculations of ).