The chariot is a type of horse carriage
A carriage is a wheeled vehicle for people, usually horse-drawn; litters and sedan chairs are excluded, since they are wheelless vehicles. The carriage is especially designed for private passenger use and for comfort or elegance, though some are also used to transport goods. It may be light,...

 used in both peace and war as the chief vehicle of many ancient peoples. Ox carts
Bullock cart
A bullock cart or ox cart is a two-wheeled vehicle pulled by oxen . It is a means of transportation used since ancient times in many parts of the world. They are still used today where modern vehicles are too expensive or the infrastructure does not favor them.Used especially for carrying goods,...

, proto-chariots, were built by the Proto-Indo-Europeans
The Proto-Indo-Europeans were the speakers of the Proto-Indo-European language , a reconstructed prehistoric language of Eurasia.Knowledge of them comes chiefly from the linguistic reconstruction, along with material evidence from archaeology and archaeogenetics...

 and also built in Mesopotamia
Mesopotamia is a toponym for the area of the Tigris–Euphrates river system, largely corresponding to modern-day Iraq, northeastern Syria, southeastern Turkey and southwestern Iran.Widely considered to be the cradle of civilization, Bronze Age Mesopotamia included Sumer and the...

 as early as 3000 BC. The original horse chariot was a fast, light, open, two wheeled conveyance drawn by two or more horses hitched side by side. The car was little more than a floor with a waist-high semicircular guard in front.