 Rambai muchinyora ndima ino - Kutanga nekugadzirwa kweWelsh Scottish League muna 1999, ligi iyi yakazozivikanwa seCeltic League payakakura ichisanganisira zvikwata zvinobva kuIreland, Scotland neWales. Chikwata ichi chakatsigirwa neIrish cider makers Magners kubva mwaka wa2006-07 kusvika 2010-11. Pakutanga 2010-11 mwaka, League rakawedzerwa kubva 10 kusvika 12 zvikwata, achiwedzera zvikwata Italian maviri. Kutevera kuguma kweMagners kutsigira, ligi yakatsigirwa naRaboDirect kubva 2011 12 kusvika 2013 14. Zita rokuti Pro12 rakagamuchirwa muna 2011 kuratidza kuti ligi iri rava kusanganisira zvikwata zvinobva kunze kwenyika dzeCeltic. Kumwe kuwedzerwa kwezvikwata gumi nezvina uye zita rakazotevera kuPro14 kwakaitika kubva mwaka wa2017-18 mwaka, nezvikwata zviviri zveSouth Africa zvakabatana neChampionship kusvika mwaka wa2019-20. Chibvumirano chekutsigira neGuinness chakatanga pakutanga kwemwaka wa201415 uye chakapedzwa mushure mePro14 Rainbow Cupmuna Chikunguru 2021. Kutevera rebranding kuUnited Rugby Championship, iyo ligi yakaumba kudyidzana kutsva neRoc Nation. 