8 relations: Celtic nations, Iroquois, Six Nations Championship, Six Nations of the Grand River, Six Nations Tournament (ice hockey), Six Nations Under 20s Championship, Six-party talks, Women's Six Nations Championship.
The Celtic nations are territories in western Europe where Celtic languages or cultural traits have survived.
The Iroquois or Haudenosaunee (People of the Longhouse) are a historically powerful northeast Native American confederacy.
The Six Nations Championship (recently known as the NatWest 6 Nations for sponsorship reasons) is an annual international rugby union competition between the teams of England, France, Ireland, Italy, Scotland and Wales.
Six Nations (or Six Nations of the Grand River, Réserve des Six Nations) is the largest First Nations reserve in Canada.
The Six Nations Tournament (Torneo Sei Nazioni, Sechs-Nationen-Turnier) was an international ice hockey club competition that took place during the 1994-95 and 1995-96 seasons.
The Six Nations Under 20s Championship is an international rugby union tournament.
The six-party talks aimed to find a peaceful resolution to the security concerns as a result of the North Korean nuclear weapons program.
The Women's Six Nations Championship is an international rugby union competition contested between six European women's national teams.