Season Winners
1882-83 ENGLAND
1883-84 ENGLAND
1884-85 NOT COMPLETED
1885-86 ENGLAND & SCOTLAND (shared)
1886-87 SCOTLAND
1887-88 NOT COMPLETED
1888-89 NOT COMPLETED
1889-90 ENGLAND & SCOTLAND (shared)
1890-91 SCOTLAND
1891-92 ENGLAND
1892-93 WALES
1893-94 IRELAND
1894-95 SCOTLAND
1895-96 IRELAND
1896-97 NOT COMPLETED
1897-98 NOT COMPLETED
1898-99 IRELAND
1899-1900 WALES
1900-01 SCOTLAND
1901-02 WALES
1902-03 SCOTLAND
1903-04 SCOTLAND
1904-05 WALES
1905-06 IRELAND & WALES (shared)
1906-07 SCOTLAND
1907-08 WALES
1908-09 WALES
1909-10 ENGLAND
1910-11 WALES
1911-12 ENGLAND & IRELAND (shared)
1912-13 ENGLAND
1913-14 ENGLAND
1914-15 NO COMPETITION
1915-16 NO COMPETITION
1916-17 NO COMPETITION
1917-18 NO COMPETITION
1918-19 NO COMPETITION
1919-20 ENGLAND & SCOTLAND & WALES (shared)
1920-21 ENGLAND
1921-22 WALES
1922-23 ENGLAND
1923-24 ENGLAND
1924-25 SCOTLAND
1925-26 SCOTLAND & IRELAND (shared)
1926-27 SCOTLAND & IRELAND (shared)
1927-28 ENGLAND
1928-29 SCOTLAND
1929-30 ENGLAND
1930-31 WALES
1931-32 ENGLAND & WALES & IRELAND (shared)
1932-33 SCOTLAND
1933-34 ENGLAND
1934-35 IRELAND
1935-36 WALES
1936-37 ENGLAND
1937-38 SCOTLAND
1938-39 ENGLAND & WALES & IRELAND (shared)
1939-40 NO COMPETITION
1940-41 NO COMPETITION
1941-42 NO COMPETITION
1942-43 NO COMPETITION
1943-44 NO COMPETITION
1944-45 NO COMPETITION
1945-46 NO COMPETITION
1946-47 WALES & ENGLAND (shared)
1947-48 IRELAND
1948-49 IRELAND
1949-50 WALES
1950-51 IRELAND
1951-52 WALES
1952-53 ENGLAND
1953-54 ENGLAND & FRANCE & WALES (shared)
1954-55 WALES & FRANCE (shared)
1955-56 WALES
1956-57 ENGLAND
1957-58 ENGLAND
1958-59 FRANCE
1959-60 FRANCE & ENGLAND (shared)
1960-61 FRANCE
1961-62 FRANCE
1962-63 ENGLAND
1963-64 SCOTLAND & WALES (shared)
1964-65 WALES
1965-66 WALES
1966-67 FRANCE
1967-68 FRANCE
1968-69 WALES
1969-70 WALES & FRANCE (shared)
1970-71 WALES
1971-72 NOT COMPLETED
1972-73 QUINTUPLE TIE
1973-74 IRELAND
1974-75 WALES
1975-76 WALES
1976-77 FRANCE
1977-78 WALES
1978-79 WALES
1979-80 ENGLAND
1980-81 FRANCE
1981-82 IRELAND
1982-83 FRANCE & IRELAND (shared)
1983-84 SCOTLAND
1984-85 IRELAND
1985-86 FRANCE & SCOTLAND (shared)
1986-87 FRANCE
1987-88 WALES & FRANCE (shared)
1988-89 FRANCE
1989-90 SCOTLAND
1990-91 ENGLAND
1991-92 ENGLAND
1992-93 FRANCE
1993-94 WALES*
1994-95 ENGLAND
1995-96 ENGLAND*
1996-97 FRANCE
1997-98 FRANCE
1998-99 SCOTLAND
2000 ENGLAND
2001 ENGLAND
2002 FRANCE
2003 ENGLAND
* Indicates winners of Championship Trophy (introduced 1993) on points difference.
With the 2003 Grand Slam, England became the team to have won the championship outright most often with 23 titles exceeding Wales with 22 titles.
Scotland have done so 14 times, France 12 and Ireland ten.
Grand Slam Winners
ENGLAND 12 TIMES

: 1913, 1914, 1921, 1923, 1924, 1928, 1957, 1980, 1991, 1992, 1995, 2003
WALES 8 TIMES

: 1908, 1909, 1911, 1950, 1952, 1971, 1976, 1978
FRANCE 6 TIMES

: 1968, 1977, 1981, 1987, 1997, 1998
SCOTLAND 3

TIMES : 1925, 1984, 1990
IRELAND ONCE

: 1948
I don't think I need to say anymore!