The American Quarter Horse Association (AQHA) is a non-profit organization founded in 1940 that focuses on the promotion and registration of the American Quarter Horse. This breed is known for its speed, agility, and versatility, making it popular in various equestrian disciplines, including rodeo, racing, and ranch work. The AQHA provides resources for horse owners, breeders, and enthusiasts, including educational programs, competitions, and a comprehensive registry. The association also works to preserve the breed's history and promote responsible horse ownership, ensuring the continued success and welfare of the American Quarter Horse.