2018 Six Nations Championship Italy taking place at the Stade Vélodrome, Marseille. Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: Notes: 2018 Six Nations Championship The 2018 Six Nations Championship was the 19th series of the Six Nations Championship, the annual northern hemisphere rugby union championship. The tournament continued to be sponsored by the Royal Bank of Scotland Group, via its subsidiary NatWest, so was branded the NatWest 6 Nations. The championship was contested by France, Ireland, Italy, Scotland, Wales and defending champions England. Including the competition's previous iterations as the Home Nations Championship and Five Nations Championship,
Six Nations Championship Championship in 1910 with the addition of France. The tournament was expanded in 2000 to become the Six Nations Championship with the addition of Italy. Following the relative success of the Tier 2 nations in the 2015 Rugby World Cup, there were calls by Octavian Morariu, the president of Rugby Union's governing body for promotion and development, to let Georgia and Romania join the Six Nations due to their consistent success in the European Nations Cup and ability to compete in the Rugby World Cup. Played annually, the format of the Championship is simple: each team plays every other team