Africa since its formation, and in 2016 added teams in Argentina and Japan (with the Japan team also playing select "home" matches in Singapore). It is played from summer right through until winter (February to August), with a 3-week break in June for international tests to take place. Mitre 10 Cup (previously Air New Zealand Cup and ITM Cup), created in 2006 as a successor to the National Provincial Championship (NPC), involves semi-professional provincial New Zealand teams and is played mainly during the Winter and spring months, from August to November. Heartland Championship, an amateur competition of lower-level New Zealand provincial teams, also created in 2006 as a successor to the NPC and is also played in the winter and spring months, from August to November. In the sevens variant of rugby union, the men's national team has been the main force in the sport since the creation of the World Rugby Sevens Series in 1999, winning the World Series 12 times in its 16 seasons. They have also won the Rugby World Cup Sevens thrice, in 2001, 2013 and the most recent edition in 2018, and won the first four gold medals awarded in sevens at the Commonwealth Games (1998–2010). The country also hosts one round of the World Series each season at Westpac Stadium in Wellington. In women's sevens, the national team is about as dominant as the men; they won the first three editions of the World Rugby Women's Sevens Series (2013–2015) and are the current holders of the Rugby World Cup Sevens, winning the women's tournaments in 2013 and 2018. New Zealand will host the 2021 Women's Rugby World Cup it will be the first ever Women's Rugby World Cup to be held in the southern hemisphere. Cricket Cricket is the national summer sport and the second most popular sport in New Zealand, which is one of twelve countries competing in Test match cricket. The provincial competition is not nearly as widely followed as rugby, but international matches are watched with interest by a large portion of the population. This parallels the global situation in cricket, whereby the international game is more widely followed than the domestic game in all major cricketing countries. Historically, the national cricket team has not been as successful as the national rugby team. New Zealand played its first Test in 1930, but had to wait until 1956 until its first Test