Over that long stretch of time, the placement of bets on horse races has become more and more readily available and the popularization of the internet has certainly changed the game. Horse racing can be dated all the way back to the colonial era in the mid-1600’s and is still popular nearly 400 years later.
Before baseball became America’s pastime, before football became the most popular sport in the country, and honestly before any major sport was even invented, people rode horses for sport.