striking, in which two opponents face each other in a fight using at least their fists, and possibly involving other actions such as kicks, elbow strikes, knee strikes, and headbutts, depending on the rules. Some of the forms of the modern sport are western boxing, bare knuckle boxing, kickboxing, muay-thai, lethwei, savate, and sanda. Boxing techniques have been incorporated into many martial arts, military systems, and other combat sports.
While humans have fought in hand-to-hand combat since the dawn of human history, the earliest evidence of any type of boxing can be seen in Sumerian carvings from the 3rd and 2nd millennia BC. The earliest evidence of boxing rules date back to Ancient Greece, where boxing was established as an Olympic game in 688 BC. Boxing evolved from 16th- and 18th-century prizefights, largely in Great Britain, to the forerunner of modern boxing in the mid-19th century with the 1867 introduction of the Marquess of Queensberry Rules.
Amateur boxing is both an Olympic and Commonwealth Games sport and is a standard fixture in most international games — it also has its own world championships. Boxing is overseen by a referee over a series of one-to-three-minute intervals called "rounds".
A winner can be resolved before the completion of the rounds when a referee deems an opponent incapable of continuing, disqualifies of an opponent, or the resignation of an opponent. When the fight reaches the end of its final round with both opponents still standing, the judges' scorecards determine the victor. In case both fighters gain equal scores from the judges, a professional bout is considered a draw. In Olympic boxing, because a win
