premise: Reccared I destroyed the Visigoths.
hypothesis: Reccared I ( or Recared ; Reccaredus Gothic : RekkareÞ ; Recaredo 559 -- 31 May 601 AD ; reigned 586 -- 601 ) was Visigothic King of Hispania and Septimania . Reccared II . -- 16 April 621 ) was Visigothic King of Hispania , Septimania and Galicia briefly in 621 . Visigoths . In or around 589 , the Visigoths under Reccared I converted from Arianism to Nicene Christianity , gradually adopting the culture of their Hispano-Roman subjects .