This document discusses the history of horseback riding and horse racing. It provides details on the early domestication of horses for transportation and warfare thousands of years ago. It also outlines the main types of horses, including riding, work, sport, and show horses. Additionally, it lists some popular horse breeds and covers the training required for horse racing. The document examines different categories of horse racing like flat, endurance, jump, and harness racing and notes some famous horse racing events.