Contemporary domestic horses appeared in ​​the western Eurasian steppes, – discovered an international team of scientists including Polish researchers from the Institute of Systematics and Evolution of Animals of the Polish Academy of Sciences (PAN) and the Institute of Archeology and Ethnology of the Polish Academy of Sciences. The results of their research were published in Nature.

They analysed 273 ancient horse genomes from across Eurasia and determined that the cradle of modern domestic horses is in the western Eurasian steppes, especially the lower Volga and Don.

This population spread rapidly from around 2000 B.C.E. after Eurasia, displacing other local populations. Scientists formulate a scenario that domesticated horses spread throughout Eurasia along with chariots and Indo-Iranian languages.

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https://www.nature.com/articles/s41586-021-04018-9