4000bc
They invented irrigation during the 3500BC when they started civilization. :) Your Welcome...
Isreal
they invented irrigation because they were tired of the anual floods. they also thought it was easier to transport water. i dunno...thats wat im trying to figure out
The Shang Dynasty
they invented sails and wheels. extra: they also invented irrigation and plows.
Mesopotamians invented the wheel chariot and mesopotamian women invented lipstick. The arch and the collumn were both developed in Mesopotamia, and are still used today in modern buildings and bridges.
Iran
in mespotamia
They invented the wheel and irrigation
Mesopotamians invented the irrigation system and the seeder plow. Which was very important to Mesopotamian farming.
sumer
It was Nineveh