Basketball was invented in 1891 by James Naismith and originally had 13 rules. It became an Olympic sport in 1936. The document discusses the history and rules of basketball as well as positions on a team. It also summarizes the NBA and ACB professional basketball leagues. Michael Jordan is discussed as one of the greatest basketball players of all time, having won numerous awards including 6 NBA championships as a shooting guard for the Chicago Bulls and Washington Wizards.