Rugby Dünya Kupası, or the Rugby World Cup, is an international rugby union tournament held every four years. It features teams from around the world competing for the title of world champion. The first tournament took place in 1987, co-hosted by New Zealand and Australia. The competition includes a series of qualifying matches leading to a final tournament, where the best teams face off. The event is organized by World Rugby, the sport's governing body, and has grown in popularity, attracting millions of fans and significant media coverage globally.