Categories: Rugby union stubs | Irish rugby union teams Rugby union is a popular team sport played in Ireland. ... The Irish Rugby Football Union (IRFU) is the body managing rugby union in Ireland. ... First international England 7 - 0 Ireland (15 February 1875) Largest win United States 3 - 83 Ireland (10 June , 2000) Worst defeat New Zealand 59 - 6 Ireland (6 June 1992) World Cup Appearances 5 (First in 1987) Best result Quarter Finals, 1987, 1991, 1995, 2003 The Ireland rugby union team represents... For the Great Britain Lions rugby league football team of similiar title, go to Great Britain national rugby league team First match Otago 3 - 8 Lions (as Great Britain) (28 April 1888) Largest win Manawatu 6 - 109 Lions (28 June 2005) Worst defeat New Zealand 38 - 6 Lions (16 July... For the world cup that is contested in rugby league, see Rugby League World Cup. ... The RBS 6 Nations Championship, (referred to as RBS 6 Nations for sponsorship reasons) known before 2000 as the Five Nations Championship, is an annual international rugby union competition held between six European sides: England, France, Ireland, Italy, Scotland and Wales. ... The Rugby World Cup Sevens is the worlds premier international contest in the Sevens version of rugby union, first held in Scotland in 1993 and held every four years. ... The Heineken Cup sponsored by Heineken (known as the H Cup in France due to alcohol advertising laws) is an annual rugby union competition involving leading club, regional and provincial teams from the Six Nations: England, France, Scotland, Wales, Ireland, and Italy. ... The European Challenge Cup in rugby union, known as the Parker Pen Shield from 2001 to 2003 and Parker Pen Challenge Cup from 2003, is the sister competition to the Heineken Cup. ... In 2004/5 the twelve teams who failed to progress from the qualifying round of the European Challenge Cup were joined in the draw for the European Shield by Bucuresti (Romania), UCM Madrid (Spain), Bera Bera (Spain) and Lisboa Rugby Club (Portugal). ... The Celtic League is an annual rugby union competition involving regional sides from Ireland, Scotland and Wales, seen by many as the third major league in Europe, after the English Guinness Premiership and the French TOP 14. ... The Irish Rugby Football Union Connacht Branch (the professional team of which which is run by Connacht Rugby) is one of four branches of the IRFU, and is responsible for rugby union in the Irish province of Connacht. ... The Irish Rugby Football Union Leinster Branch (also known as Leinster Rugby) is one of four branches of the IRFU, and is responsible for rugby union in the Irish province of Leinster. ... The Irish Rugby Football Union Munster Branch (also known as Munster Rugby) is one of four branches of the IRFU, and is responsible for rugby union in the Irish province of Munster. ... The Irish Rugby Football Union Ulster Branch (also known as Ulster Rugby) is one of four branches of the IRFU, and is responsible for rugby union in the Irish province of Ulster, six counties of which are in Northern Ireland and three in the Republic of Ireland. ... There is a National League system of 50 senior rugby union clubs in Ireland. ... Ballymena RFC is a rugby union club based in the town of Ballymena in Northern Ireland. ... Belfast Harlequins is a multi-sports club located off the Malone Road in south Belfast. ... This article or section does not cite its references or sources. ... Buccaneers Rugby Football Club is a rugby union club in Athlone, Ireland. ... Founded in 1876, Clontarf is one of the oldest Rugby Clubs in Ireland. ... Cork Constitution F.C. Crest Cork Constitution Football Cub is a Rugby Union club, based in Cork. ... Dolphin is a Rugby Union club in Cork. ... Garryowen Football Club, usually referred to as Garryowen, is a rugby union club in Limerick, Republic of Ireland, founded in 1884. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Terenure College RFC was founded on November 14th 1940. ... University College Dublin - National University of Ireland, Dublin - more commonly University College Dublin (UCD) - is Irelands largest university, with over 20,000 students. ...