The 1985 Five Nations Championship was the fifty-sixth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the ninety-first series of the northern hemisphere rugby union championship. Ten matches were played between 2 February and 20 April. The championship was contested by England, France, Ireland, Scotland and Wales.
The 1975 Five Nations Championship was the forty-sixth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the eighty-first series of the northern hemisphere rugby union championship. Ten matches were played between 18 January and 15 March. It was contested by England, France, Ireland, Scotland, and Wales. The championship was won by Wales, the team's eighteenth title.
The 1994 Five Nations Championship was the 65th series of the Five Nations Championship, an annual rugby union competition between the major Northern Hemisphere rugby union national teams. The tournament consisted of ten matches held between 15 January and 19 March 1994.
The 1988 Five Nations Championship was the 59th series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the ninety–fourth series of the northern hemisphere rugby union championship. Ten matches were played over five weekends between 16 January and 19 March. Wales and France were declared joint winners with six points each; it was the most recent time the Championship was shared between two or more nations as the rules were changed in 1994 to make such an event unlikely.
The 1977 Five Nations Championship was the forty-eighth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the eighty-third series of the northern hemisphere rugby union championship. Ten matches were played between 15 January and 19 March.
The 1911 Five Nations Championship was the second series of the rugby union Five Nations Championship following the inclusion of France into the Home Nations Championship. Including the previous Home Nations Championships, this was the twenty-ninth series of the annual northern hemisphere rugby union championship. Ten matches were played between 2 January and 25 March. It was contested by England, France, Ireland, Scotland and Wales.
The 1926 Five Nations Championship was the twelfth series of the rugby union Five Nations Championship following the inclusion of France into the Home Nations Championship. Including the previous Home Nations Championships, this was the thirty-ninth series of the annual northern hemisphere rugby union championship. Ten matches were played between 3 January and 2 April. It was contested by England, France, Ireland, Scotland and Wales.
The 1931 Five Nations Championship was the seventeenth series of the rugby union Five Nations Championship following the inclusion of France into the Home Nations Championship. Including the previous Home Nations Championships, this was the forty-fourth series of the annual northern hemisphere rugby union championship. Ten matches were played between 1 January and 6 April. It was contested by England, France, Ireland, Scotland and Wales.
The 1949 Five Nations Championship was the twentieth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the fifty-fifth series of the northern hemisphere rugby union championship. Ten matches were played between 15 January and 26 March. It was contested by England, France, Ireland, Scotland and Wales. Ireland won their 6th title and the Triple Crown.
The 1950 Five Nations Championship was the twenty-first series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the fifty-sixth series of the northern hemisphere rugby union championship. Ten matches were played between 14 January and 25 March. It was contested by England, France, Ireland, Scotland and Wales. Wales won their 11th title, and also the Grand Slam and the Triple Crown.
The 1951 Five Nations Championship was the twenty-second series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the fifty-seventh series of the northern hemisphere rugby union championship. Ten matches were played between 13 January and 7 April. It was contested by England, France, Ireland, Scotland and Wales. Ireland missed out on a second Grand Slam after drawing against Wales at Cardiff Arms Park, but won the championship.
The 1952 Five Nations Championship was the twenty-third series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the fifty-eighth series of the northern hemisphere rugby union championship. Ten matches were played between 12 January and 5 April. It was contested by England, France, Ireland, Scotland and Wales. Wales won their 5th Grand Slam and a 9th Triple Crown.
The 1954 Five Nations Championship was the twenty-fifth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the sixtieth series of the northern hemisphere rugby union championship. Ten matches were played between 9 January and 10 April. It was contested by England, France, Ireland, Scotland and Wales. Wales, England and France shared the championship; this marked France's first title. England won the Triple Crown and the Calcutta Cup.
The 1959 Five Nations Championship was the thirtieth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the sixty-fifth series of the northern hemisphere rugby union championship. Ten matches were played between 10 January and 18 April. It was contested by England, France, Ireland, Scotland and Wales. France won the title outright for the first time, after two shared wins in 1954 and 1955.
The 1960 Five Nations Championship was the thirty-first series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the sixty-sixth series of the northern hemisphere rugby union championship. Ten matches were played between 9 January and 9 April. It was contested by England, France, Ireland, Scotland and Wales.
The 1962 Five Nations Championship was the thirty-third series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the sixty-eighth series of the northern hemisphere rugby union championship. Ten matches were played between 13 January and 17 November. It was contested by England, France, Ireland, Scotland and Wales.
The 1965 Five Nations Championship was the thirty-sixth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the seventy-first series of the northern hemisphere rugby union championship. Ten matches were played between 9 January and 27 March. It was contested by England, France, Ireland, Scotland and Wales.
The 1968 Five Nations Championship was the thirty-ninth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the seventy-fourth series of the northern hemisphere rugby union championship. Ten matches were played between 13 January and 23 March. It was contested by England, France, Ireland, Scotland and Wales. It marked the first Grand Slam victory for France.
The 1969 Five Nations Championship was the fortieth series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the seventy-fifth series of the northern hemisphere rugby union championship. Ten matches were played between 11 January and 12 April. It was contested by England, France, Ireland, Scotland and Wales.
The 1971 Five Nations Championship was the forty-second series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the seventy-seventh series of the northern hemisphere rugby union championship. This was the last Five Nations tournament where a try was worth 3 points. Ten matches were played between 16 January and 27 March. It was contested by England, France, Ireland, Scotland and Wales.
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Ireland 
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