The Rugby World Cup, through the upcoming 2019 edition, is a men's rugby union tournament contested every four years between the top international teams. The tournament was first held in 1987, when the tournament was co-hosted by New Zealand and Australia. The winners are awarded the Webb Ellis Cup, named after William Webb Ellis, the Rugby School pupil who, according to a popular legend, invented rugby by picking up the ball during a football game. Four countries have won the trophy; New Zealand three times, Australia and South Africa each twice, and England once. New Zealand are the current champions, having defeated Australia in the final of the 2015 tournament in England. The tournament is administered by World Rugby, the sport's international governing body.