Cardiff Ladies and Newport Ladies; a photo of which shows the Cardiff team before the match at the Cardiff Arms Park. Since the 1980s, the game has grown in popularity among female athletes, and by 2010, according to World Rugby, women's rugby was being played in over 100 countries. The English-based Women's Rugby Football Union (WRFU), responsible for women's rugby in England, Scotland, Ireland, and Wales, was founded in 1983, and is the oldest formally organised national governing body for women's rugby. This was replaced in 1994 by the Rugby Football Union for Women (RFUW) in England with each of the other Home Nations governing their own countries. The premier international competition in rugby union for women is the Women's Rugby World Cup, first held in 1991; from 1994 through 2014, it was held every four years. After the 2014 event, the tournament was brought forward a year to 2017 to avoid clashing with other sporting cycles, in particular the Rugby World Cup Sevens competition. The Women's Rugby World Cup returned to a four-year cycle after 2017, with future competitions to be held in the middle year of the men's World Cup cycle. Major international competitions Rugby World Cup The most important competition in rugby union is the Rugby World Cup, a men's tournament that has taken place every four years since the inaugural event in 1987. South Africa are the reigning champions, having defeated England in the final of the 2019 Rugby World Cup in Yokohama. New Zealand and South Africa have each won the title three times (New Zealand: 1987, 2011, 2015; South Africa: 1995, 2007, 2019), Australia have won twice (1991 and 1999), and England once (2003). England is the only team from the Northern Hemisphere to have won the Rugby World Cup. The Rugby World Cup has continued to grow since its inception in 1987. The Rugby League World Cup dates from 1954 in contrast. The first tournament, in which 16 teams competed for the title, was broadcast to 17 countries with an accumulated total of 230 million television viewers. Ticket sales during the pool stages and finals of the same tournament was less than a million. The 2007 World Cup was contested by 94 countries with ticket sales of 3,850,000 over the pool and final stage. The accumulated television audience for the event, then broadcast to 200 countries, was a claimed 4.2 billion. The 2019