Ireland national rugby union team tournament. It is contested against England, France, Italy, Scotland and Wales. Ireland was a member of the inaugural Home Nations in 1883, with France and Italy joining later to form the Five and Six Nations respectively. Ireland won their first championship in 1894, also winning the Triple Crown. Ireland's first Grand Slam occurred in the 1948 season and their second in the 2009 season. In total Ireland have been outright champions on fourteen occasions following their title in the 2018 Six Nations Championship and have nine shared wins. Ireland won their third ever Grand Slam in the 2018 Six Nations
Grand Slam (rugby union) wins the Grand Slam will get three bonus points. This will eliminate the possibility of a Grand Slam winner losing the championship on bonus points. "* In 1908 and 1909 matches with France were played, although they were not part of the Championship." A Grand Slam tour is one in which a touring national team from , and plays Test matches against all four home nations (, , and ). If the tourists win all four of these games, they are said to have achieved a Grand Slam. Some Grand Slam tours made visits to play , and South Africa