The American Quarter Horse Association (AQHA) is a non-profit organization founded in 1940 that focuses on the preservation and promotion of the American Quarter Horse breed. It is the largest equine breed registry in the world, with millions of registered horses. The AQHA provides various services, including registration, breed standards, and educational resources for horse owners and enthusiasts. In addition to breed registration, the AQHA organizes events and competitions, such as AQHA shows and rodeo events, to showcase the abilities of Quarter Horses. The association also supports programs for youth and amateur riders, fostering a community around the breed and encouraging participation in equestrian activities.