Western Idaho Horse Fair 
Information, demonstrations, clinics, and educational lectures on all equestrian sports, both English and Western. Offers schedule of events, sponsors, and contacts. Located at the Western Idaho Fairgrounds.
http://www.horseaffairs.com/Equine Affaire - The Great American Horse Exposition
A national equine exposition and equestrian gathering held once a year in Ohio, Massachusetts and California. Contains information for exhibitors, event highlights, a sponsor list and clinic and seminar schedules for each location.
http://www.equineaffaire.com/
Minnesota Horse Expo
Held at the Minnesota State Fair Grounds in April and sponsored by the Minnesota Horse Council. Dates, tickets, exhibitor and visitor information, schedule of events, lectures, and local accommodations.
http://www.mnhorseexpo.org/
Midwest Horse Fair, Madison, WI
The Midwest Horse Fair is an annual event which welcomes 1400 horses and 48,000 spectators. Schedules, maps, photos, and further information online.
http://www.midwesthorsefair.com
Arabian Horse Fair
Forms and information about this annual western states event and points system.
http://www.arabianhorsefair.com
Western States Horse Expo
Annual horse exposition at CalExpo in Sacramento, California offering equine and equestrian demonstrations, exhibits of horse breeds, lectures, talks, products, and art. Tickets and information.
http://www.horsexpo.com
Kentucky Horse Park and the International Museum of the Horse
A large educational theme park that includes the most comprehensive horse museum in the world. Includes history, visitor attractions, calendar of events, booking information. Lexington, Kentucky.
http://www.kyhorsepark.com/
The Great Pocomoke Fair
Harness racing, horse show, and horse clinic promoting natural horsemanship. Photos and information.
http://www.thegreatpocomokefair.org
Virginia Equine Extravaganza
East coast all-discipline equestrian tradeshow and horse expo in Richmond, VA, each April. Information about clinics and events, schedules, directions.
http://www.equineextravaganza.com
National Stud Fair
The Fair runs alongside the July Newmarket race meeting and has attractions for owners, breeders and enthusiasts.
http://www.nationalstud.co.uk/
Equitana
Equestrian world fair held annually in Germany. Includes exhibitor details, planning tools for attendees, and information about the associated shows and events.
http://www.equitana.com
