▁Monday ▁nearest ▁ 2 3 ▁April . ▁ ▁I ber ian ▁pen ins ula ▁ ▁Spain ▁ ▁Saint ▁George ▁is ▁the ▁patron ▁saint ▁of ▁the ▁former ▁Crown ▁of ▁Arag on , ▁since ▁King ▁Peter ▁I ▁of ▁Arag on ▁won ▁the ▁Battle ▁of ▁Al cor az ▁with ▁his ▁patron age . ▁He ▁is ▁also ▁patron ▁of ▁several ▁cities . ▁In ▁most ▁cases , ▁the ▁reason ▁for ▁those ▁cities ' ▁relation ▁with ▁the ▁Saint ▁as ▁their ▁holy ▁Pat ron ▁is ▁linked ▁to ▁historic ▁events ▁which ▁happened ▁during ▁the ▁" Re con qu ista ." ▁ ▁As ▁in ▁the ▁rest ▁of ▁the ▁historical ▁territory ▁of ▁the ▁Crown ▁of ▁Arag on , ▁the ▁Fe ast ▁of ▁St . ▁George ▁is ▁celebrated ▁enthus iast ically ▁in ▁the ▁Community ▁of ▁Arag on , ▁being ▁the ▁country ' s ▁patron ▁saint ▁and ▁its ▁national ▁day . ▁On ▁ 2 3 ▁April , ▁Arag on ▁celebr ates ▁its ▁" D ía ▁de ▁Arag ón " ▁( Day ▁of ▁Arag on ) ▁in ▁comm em oration ▁of ▁the ▁Battle ▁of ▁Al cor az ▁( Bar alla ▁d ' Al cor az ▁in ▁Arag on ese ), ▁on ▁which ▁H ues ca ▁was ▁conquer ed ▁by ▁the ▁Arag on ese ▁army ▁and ▁in ▁which ▁tradition ▁says ▁that ▁St . ▁George ▁appeared ▁at ▁a ▁critical ▁moment ▁for ▁the ▁Christian ▁Army . ▁ ▁In ▁Catal onia , ▁la ▁Di ada ▁de ▁Sant ▁Jord i , ▁involving ▁trad itions ▁similar ▁to ▁those ▁of ▁the ▁Ang lo - S ax on ▁Valent ine ' s ▁Day .