Grand Slam (rugby union) which plays fixtures against all four home nations (England, Ireland, Scotland and Wales) during their tour. If the tourists then win all of those matches, they are said to have achieved a Grand Slam. This has been done nine times, first by South Africa in 1912–13, and most recently by New Zealand in 2010. In the annual Six Nations Championship (among England, Ireland, Scotland, Wales, France and Italy), and its predecessor the Five Nations Championship (before Italy joined in 2000), a Grand Slam occurs when one team beats all of the others during one year's competition. The Grand Slam winners
Explorers Grand Slam complete a "True Explorers Grand Slam". In June 2018, Zhang Liang became the second person to complete this kind of Grand Slam. In 2011, former Wales rugby union international Richard Parks became the first person ever to complete the (Last Degrees) Grand Slam within a single calendar year, doing so within seven months. Cheryl Bart is the first Australian female and the 31st person worldwide to complete the Explorer's Grand Slam. She completed the North Pole on 22 April 2013 AEST. Vanessa O'Brien became the first woman to complete the (Last Degree) Grand Slam under a single calendar year, doing