The origin of horse-racing cannot be fixed by any quotation of dates, as none are extant to show by whom the first race was planned, the terms on which it was run, the distance traversed, the kind of horses which ran, the men who trained them, or the jockeys who rode them.It may, however, be taken for granted that, as an English sport, horse-racing began in homely fashion, and, in the days of old, centuries ago that is to say, was a very different...