Pedzisa mutsara unotevera: Kutanga nokugadzirwa kweWelsh<unk>Scottish League muna 1999, mutambo wacho wakazozivikanwa seCeltic League apo wakakura kuti ubatanidze zvikwata kubva 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 kwekutsigirwa kweMagners, ligi yakatsigirwa naRaboDirect kubva ku
2011<unk>12 kusvika 2013<unk>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 wa2014-15 uye chakapedzwa mushure mePro14 Rainbow Cup muna Chikunguru 2021. Kutevera rebranding kuUnited Rugby Championship, iyo ligi yakaumba kudyidzana kutsva neRoc Nation.