As far as we know it was the Pharaoh Narmer who was the first
Pharaoh of Egypt reigning between 3100 BC and 3032 BC.
The Babylonian township of Kish had a historically proven King
Etana the Shepard who began his reign in 2800 BC. Legandary kings
before the Flood range back as far as to King A-Lu-Lim; a proper
dating of course is not possible, only estimates would locate him
as early as 3020 BC.
First King of Uruk was Maskiaggaschir who governed between 2770
BC and 2750 BC.
Meskalamdug of Ur began his reign in 2600 BC, his dynasty is
called Ur I.
Enhengal of Lagash - dynasty Lagash I - began his reign in 2550
BC.
In 2250 BC Assur under leadership of the Akkad population share
became independent from Babylon, took over the main part of the
trade traffic with Asia Minor and founded its first own realm
Assyria and dynasty Assur I with Tudiya as first King of
Assyria.
