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
1990 Five Nations Championship Grand Slam win, as they have yet to win a Grand Slam since Italy joined what became the Six Nations Championship in 2000. The teams involved were: 1990 Five Nations Championship The 1990 Five Nations Championship was the 61st 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 16 January and 24 March 1990. The tournament was the 61st in its then format as the Five Nations. Including the competition's former incarnation as the Home Nations Championship, the 1990 Five Nations