Only five teams in the history of the Five or Six Nations championship have completed back-to-back Grand Slams.

Could Warren Gatland's 2008 winners emulate the immortals of Welsh rugby's first golden era and successfully defend their crown?

Wales were the first side to achieve successive Slams in 1908 and 1909, a feat matched by England three times - in 1913/14, 1923/24 and 1991/92 - and France in 1997/98.

So can the current side make history repeat itself 100 years on, and join the legendary side of the 1970s, that won three Grand Slams?

We assess how well they are equipped to deal with the pressure.