There are multiple theories for how the American Curly developed. The Curly horse was first documented in Eureka, Nevada in the early 20th century by rancher John Damele and his sons. While Mustangs were a common sight, curly coated horses were unusual. Years later, the Dameles managed to catch one, broke it to ride and sold it, thus starting their relationship with the breed. In 1932, an unusually harsh winter hit the area, and come spring the only horses that could be found were the Curlies. This evidence of hardiness was noted by the Damele family, and they decided they should include more of these horses in their herd. After another harsh winter in 1951/52, the Dameles started to get serious about breeding these horses. They went out and found their foundation stallion, a two-year-old chestnut in one of the mustang herds. They called him Copper D. The Dameles didn't care much for keeping the breed 'pure', and wanting to improve their horses, added some other blood to their herd. Among the stallions introduced were a Morgan, Ruby Red King AMHR 26101 and an Arabian, Nevada Red AHR 18125. These two stallions created many offspring for the Dameles, and are in hundreds of Curly horses' pedigrees today.