I think horses are some of the coolest animals in the world
Horses are one of my favorite animals. They've evolved over the past 45 million years from having multiple toes to one hoof! 
Wow I have no idea!
They have a pretty neat history. Animals with an odd number of toes, like horses, are called perissodactyl. Other animals in this group are rhinos and tapirs. 
I have always wanted to see a horse get its shoes put on.
I've seen it many, many times. It's a really neat process. The person who does it is called a farrier. 
How long does horses live normally.
Horse care
There are many aspects to horse care. Horses, ponies, mules, donkeys and other domesticated equids require attention from humans for optimal health and long life.
Living environment.
Horses require both shelter from natural elements like wind and precipitation, as well as room to exercise. Worldwide, horses and other equids usually live outside with access to shelter for protection from the elements. In some cases, animals are kept in a barn or stable for ease of access by managers, or for protection from the
Solidungula" or "Solipèdes", meaning "one-hoof animal".
In 1861, Henri Marie Ducrotay de Blainville (1777–1850) classified ungulates by the structure of their feet, differentiating those with an even number of toes from those with an odd number. He moved the horses as "solidungulate" over to the tapirs and rhinos as "multungulate" animals and referred to all of them together as "onguligrades à doigts impairs", coming close to the concept of the odd-toed ungulate as a systematic unit