Humans from the Andronovo culture of the central Eurasian steppe invent the chariot (~2,000 B.C.E. ???)
The earliest fully developed spoke-wheeled horse chariots are from the chariot burials of the Andronovo (Timber-Grave) sites of the Sintashta-Petrovka Proto-Indo-Iranian culture in modern Russia and Kazakhstan from around 2000 B.C.E.