 Welsh rugby reached a nadir when Wales suffered their first Five Nations championship <unk> ; they had upset England in 1989 to avoid losing all their Championship matches that season , but in 1990 Wales were defeated in all four Five Nations ' matches for the first time . The 1991 World Cup saw further frustration when Wales were upset by <unk> Samoa in their opening match . A second group @-@ stage loss , by 38 – 3 to Australia , eliminated Wales from the tournament . 
