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55 million years ago, North America, the Hyracotherium (this ancestor of the horse) lived in the tropical rain forests of North America.

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17,000 years ago, Lascaux, France, the paintings show beautifully displayed horses.

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10,000 years ago, Americas to Asia, the horses eventually spread to Europe. Then, they suddenly vanished.

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5,000 BCE, Kazakhstan, Asia, ancient knife marks on thousands of horse bones show that these horses were raised for meat and perhaps milk. The first evidence of domesticated animals was found at Kazakhstan Stable.

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4,000 years ago, Middle East, horses and riders or chariots could cover huge distances at great speed. As trade routes developed, roads were built to move horses and chariots more quickly.

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1,400 BC, Middle East, the earliest evidence of humans riding horses is in 5,000-year-old fossils of worn-down horse teeth. These fossils show that a riding bit was placed in the animal’s mouth.

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Horses & the Persian Empire's Royal Road

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Horses & the Persian Empire's Royal Road

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Circa 450 BCE – 420 BCE, Central East, roads were built to move horses and chariots along trade routes.

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2,000 years ago, China, made horse-mounted warfare much more effective.

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500-1500 CE, Europe, stirrups allowed European warriors to ride while armored with metal plates made by medieval blacksmiths.

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1206 CE, Mongolia, Asia, they were famous for their horse-mounted archers.

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Spanish Re-introduction to the New World

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Spanish Re-introduction to the New World

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1492 CE, North America, the horse-loving spaniards reintroduced the animal to North America.

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1500 CE, North America, Native Americans quickly realized how useful horses could be. The Plains Indians became experts at horseback riding. Plains Indian children who were too young to talk could comfortably ride their own small horses, according to early European observers.

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1712 CE, England, when the steam engine was invented, it replaced the horse in many places.

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1836 CE, North America, horses were no longer needed to carry messages. Electronic communication and new forms of transportation made the horse obsolete for carrying messages.

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2017 CE, North America, more than 300 breeds exist today, reflecting the many ways horses have served humans.

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2017 CE, North America, the horse continues to be used for transportation and farming in some regions. But it is mostly ridden for fun or kept as a pet in richer countries.