| NAME | WINNER | |
|
Wales
| 28 |
|
England
| 27 |
|
France
| 19 |
|
Ireland
| 15 |
|
Scotland
| 14 |
| YEAR | WINNER | ||||
| 2025 | France | ||||
| 2024 | Ireland | ||||
| 2023 | Ireland | ||||
| 2022 | France | ||||
| 2021 | Wales | ||||
| 2020 | England | ||||
| 2019 | Wales | ||||
| 2018 | Ireland | ||||
| 2017 | England | ||||
| 2016 | England | ||||
| 2015 | Ireland | ||||
| 2014 | Ireland | ||||
| 2013 | Wales | ||||
| 2012 | Wales | ||||
| 2011 | England | ||||
| 2010 | France | ||||
| 2009 | Ireland | ||||
| 2008 | Wales | ||||
| 2007 | France | ||||
| 2006 | France | ||||
| 2005 | Wales | ||||
| 2004 | France | ||||
| 2003 | England | ||||
| 2002 | France | ||||
| 2001 | England | ||||
| 2000 | England | ||||
| 1999 | Scotland | ||||
| 1998 | France | ||||
| 1997 | France | ||||
| 1996 | England | ||||
| 1995 | England | ||||
| 1994 | Wales | ||||
| 1993 | France | ||||
| 1992 | England | ||||
| 1991 | England | ||||
| 1990 | Scotland | ||||
| 1989 | France | ||||
| 1988 | France and Wales | ||||
| 1987 | France | ||||
| 1986 | France and Scotland | ||||
| 1985 | Ireland | ||||
| 1984 | Scotland | ||||
| 1983 | France and Ireland | ||||
| 1982 | Ireland | ||||
| 1981 | France | ||||
| 1980 | England | ||||
| 1979 | Wales | ||||
| 1978 | Wales | ||||
| 1977 | France | ||||
| 1976 | Wales | ||||
| 1975 | Wales | ||||
| 1974 | Ireland | ||||
| 1973 | England, France, Ireland, Scotland, Wales | ||||
| 1972 | Not completed | ||||
| 1971 | Wales | ||||
| 1970 | France and Wales | ||||
| 1969 | Wales | ||||
| 1968 | France | ||||
| 1967 | France | ||||
| 1966 | Wales | ||||
| 1965 | Wales | ||||
| 1964 | Scotland and Wales | ||||
| 1963 | England | ||||
| 1962 | France | ||||
| 1961 | France | ||||
| 1960 | England and France | ||||
| 1959 | France | ||||
| 1958 | England | ||||
| 1957 | England | ||||
| 1956 | Wales | ||||
| 1955 | France and Wales | ||||
| 1954 | England, France and Wales | ||||
| 1953 | England | ||||
| 1952 | Wales | ||||
| 1951 | Ireland | ||||
| 1950 | Wales | ||||
| 1949 | Ireland | ||||
| 1948 | Ireland | ||||
| 1947 | England and Wales | ||||
| 1940-46 | Not held due to World War II | ||||
| 1939 | England, Ireland, Wales | ||||
| 1938 | Scotland | ||||
| 1937 | England | ||||
| 1936 | Wales | ||||
| 1935 | Ireland | ||||
| 1934 | England | ||||
| 1933 | Scotland | ||||
| 1932 | England, Ireland and Wales | ||||
| 1931 | Wales | ||||
| 1930 | England | ||||
| 1929 | Scotland | ||||
| 1928 | England | ||||
| 1927 | Ireland and Scotland | ||||
| 1926 | Ireland and Scotland | ||||
| 1925 | Scotland | ||||
| 1924 | England | ||||
| 1923 | England | ||||
| 1922 | Wales | ||||
| 1921 | England | ||||
| 1920 | Scotland, Wales and England | ||||
| 1915-19 | Not held due to World War I | ||||
| 1914 | England | ||||
| 1913 | England | ||||
| 1912 | Ireland and England | ||||
| 1911 | Wales | ||||
| 1910 | England | ||||
| 1909 | Wales | ||||
| 1908 | Wales | ||||
| 1907 | Scotland | ||||
| 1906 | Ireland and Wales | ||||
| 1905 | Wales | ||||
| 1904 | Scotland | ||||
| 1903 | Scotland | ||||
| 1902 | Wales | ||||
| 1901 | Scotland | ||||
| 1900 | Wales | ||||
| 1899 | Ireland | ||||
| 1898 | Not completed | ||||
| 1897 | Not completed | ||||
| 1896 | Ireland | ||||
| 1895 | Scotland | ||||
| 1894 | Ireland | ||||
| 1893 | Wales | ||||
| 1892 | England | ||||
| 1891 | Scotland | ||||
| 1890 | England and Scotland | ||||
| 1889 | Scotland | ||||
| 1888 | Ireland, Scotland and Wales | ||||
| 1887 | Scotland | ||||
| 1886 | England and Scotland | ||||
| 1885 | Not completed | ||||
| 1884 | England | ||||
| 1883 | England | ||||