The Appaloosa were bred by the Nez Perce Indians as War horses and all around animals. They nearly went extinct when the US calvary captured Cheif Joseph and his tribe. But thanks to some Appalossa enthusiasts, I think the Apaloosa Horse Club started in the 1930's. They are great horses, very all around that are very suited to trail riding. The breed has hardy hooves and usually are considered easy keepers (of course, there are some exceptions lol)
There are five color patterns reconized by the club: marble, blanket, lepeod, snowflake and one other one that I can't place lol along with solid Appys that can be registered within the club. You need to post pics of your rescue once you have him! Good luck!