The breed returns to the late seventeenth century, toward the northwestern corner of North America and particularly to the vast region that secured what is presently part of the conditions of Oregon, Washington, Idaho, and Montana. This was the land occupied by the Nez Percé American Indians, and it is to their ground breaking horsemanship and rearing practices that the Appaloosa owes its prosperity.

In spite of the fact that the Nez Percé built up this spotted breed, the historical backdrop of spotted steeds is a long one, with pictures of seen ponies showing up in ancient European give in canvases from around 17,000 B.C.E. Seen steeds specifically the Austrian Noriker and the Danish Knabstrup - were to a great degree mainstream in Europe and were in awesome request from the sixteenth century to perform in the inexorably famous Riding Schools. Huge numbers of the sacred Spanish ponies, as well, including the loved Andalusian, once displayed spotted coat colorings.

Ponies acquainted with the Americas by the Spanish conquistadores conveyed the great spotted coat quality, which spread up into North America as the Spanish proceeded with their investigations. The Shoshone clan from southern Idaho wound up awesome steed dealers, and it was to a great extent from the Shoshone that the Nez Percé, whose domain was more distant north and west, obtained their supply of ponies. The Nez Percé's territory, with its rich fields and protected zones, was exceedingly reasonable for raising ponies, and the clan immediately settled a considerable rearing stock. Not at all like a significant number of the American Indian clans, the Nez Percé start executing reproducing projects to explicitly enhance their steeds. Just the best ponies were kept as stallions, though those of mediocre quality were gelded. The clan kept the best of its rearing stock and disposed of the poorer steeds through exchanging with different clans. The quantities of their steeds climbed quickly, and the Nez Percé turned into a prosperous clan in light of their colossal supply of ponies. In the mid 1800s, the American traveler Meriwether Lewis (1774-1809) portrayed the Nez Percé's ponies as "of a brilliant race; they are exquisitely framed, dynamic, and sturdy."

Shading was an essential thought for the Nez Percé for ornamentation and beautifying purposes as well as for cover. Notwithstanding, their essential concern when reproducing was to build up an inside and out pony of awesome stamina, speed, and strength, and one that could get by on inadequate apportions. Their steeds wound up eminent for these characteristics and were as fit for pulling a furrow as they were of covering immense separations at speed with a rider. The most prized of their ponies were utilized amid warring efforts and were quick, light-footed, and canny, and the most respected of these were the spotted ones.

The spotted ponies having a place with the Nez Percé were portrayed as Palouse steeds by white pilgrims, who took the name from the Palouse River that went through the Nez Percé domain. Later the steed wound up known as "a Palouse," at that point as an Appalousey. The name Appaloosa was not given to the breed until the point when 1938 with the development of the Appaloosa Horse Club, set up to protect the breed. Nearly fifty years previously this, be that as it may, the brave, spotted breed was everything except wiped out amid the Nez Percé War battled between the American Indians and the U.S. government in 1877. The Nez Percé figured out how to outmaneuver and surpass the U.S. rangers for over three months and crosswise over 1,300 miles (2,092 km) of misleading landscape, exclusively in view of the grit and perseverance of their Appaloosa steeds. The Nez Percé were undefeated in fight yet in the long run surrendered to anticipate encourage hardships to the general population attempting to climate the freezing Montana winter. The states of their surrender expressed that they be permitted to come back to their territories in the spring with their ponies, however rather they were sent to North Dakota and a significant number of their cherished and prized creatures butchered. Some got away, and others were later gathered together by farmers and utilized or sold.

After this, a portion of the steeds that had survived were immediately scattered at sell off and gained by a couple of private people and farmers who perceived their natural characteristics and started to breed them. In 1937, the magazine Western Horseman distributed an article on the Appaloosa composed by Francis Haines, starting open enthusiasm for the breed. The next year, Claude Thompson, a reproducer of the spotted steeds, joined with a few others and set up the Appaloosa Horse Club to save and advance the ponies. By 1947, there were two hundred enrolled steeds and a hundred individuals. Only three decades later, under the administration of George Hatley, the club had a wonderful figure of in excess of 300,000 steeds enlisted, making it the third-biggest light-horse breed registry. Amid this recovery of the Appaloosa there was some presentation of Arabian blood and impressive impact from the Quarter Horse, which can be found in the strong edge of the cutting edge Appaloosa.