Details: Quarter Horses were developed in 17th century Virginia, the first breed of horse to originate in the United States. Their name is derived from the straight quarter mile track they ran during America?s first foray into equestrian racing. A sprinter, the Quarter Horse has keen cow sense. It is as much a symbol of the American West as the cowboy it carries. A tribute to the storied Quarter Horse, this sharp calendar will please cowboys, cowgirls and horse lovers across the board.