Rugby Football Union for Women between England, Ireland, Scotland and Wales, which England won in its inaugural year. England won the Championship every year except from the 1997/98 season when Scotland won it. France joined the competition in the 1998/99 season making it the Five Nations Championship with England achieving the Grand Slam. In the 2001/02 season the competition expanded to be known as the Women's Six Nations Championship, and England have won the title more than any other nation, including six back-to-back wins between 2006 and 2011. Rugby Football Union for Women The Rugby Football Union for Women (RFUW) was the governing body for
Grand Slam (rugby union) term came into use. It is also applied to the 1908 and 1909 seasons, when matches with France took place during, but outside of, the then Home Nations Championships. However the Grand Slam honour is not applied to seasons in which only the four home nations were involved (1883–1907 and 1932–1939) – in that case a team that won all its matches is said to have achieved the Triple Crown. This honour is still competed for between the four home nations within the Six Nations Championship, and any Grand Slam-winning home nation will necessarily also win the Triple Crown. A