Football, known as soccer in some regions, originated in England with formal rules established in 1863, and has grown to be the world's most popular sport. The game features two teams of 11 players competing to score goals within a 90-minute time frame, and significant figures like Pelé, Diego Maradona, Lionel Messi, and Cristiano Ronaldo have shaped its history. Major tournaments include the FIFA World Cup and UEFA Champions League, highlighting football's cultural and economic impact globally.