How Humans Reshaped the Horse Through Millennia - When horses became domesticated in Kazakhstan and neighbouring regions some 5,500 years ago, it was a game changer for the human race. With horses, people had a more efficient means to travel, explore, hunt, farm, pack, and trade. They could journey by horse to socialize with others, engage in bartering, and share ideas, knowledge, language, and beliefs. With horses valued at so many levels of society, they gave rise to the very first concepts of an ancient technology transfer system.