The invention of the wheel has long been considered a major ... The first examples of wheels currently date to at around 4000BC in Mesopotamia – modern-day Iraq – when the wheel shape was ...

Mankind has traveled on wheels for at least 5,000.years ... casts doubt on the accepted hypothesis that vehicles were invented in Mesopotamia ...

Later, Mesopotamian civilization was credited with the invention of the wheel by several, mainly old sources. Research in the 2000s suggests that the wheel was invented independently in Eastern ...