▁of ▁the ▁ 1 9 7 6 ▁Summer ▁Olympics ▁ 1 9 8 0 ▁Summer ▁Olympics ▁boy c ott ▁ 1 9 8 4 ▁Summer ▁Olympics ▁boy c ott <0x0A> </s> ▁Mac cus ▁mac ▁Ara ilt ▁( fl . ▁ 9 7 1 – 9 7 4 ) ▁was ▁a ▁t enth - century ▁King ▁of ▁the ▁Is les . ▁Although ▁his ▁parent age ▁is ▁uncertain , ▁surv iving ▁evidence ▁suggests ▁that ▁he ▁was ▁the ▁son ▁of ▁Ar alt ▁mac ▁Sit ri uc , ▁King ▁of ▁L imer ick . ▁Mac cus ' ▁family ▁is ▁known ▁as ▁the ▁Me ic ▁Ara ilt ▁kind red . ▁He ▁and ▁his ▁brother , ▁G of raid , ▁are ▁first ▁recorded ▁in ▁the ▁ 9 7 0 s . ▁It ▁was ▁during ▁this ▁de cade ▁and ▁the ▁next ▁that ▁they ▁conducted ▁military ▁operations ▁against ▁the ▁Wel sh ▁of ▁Ang les ey , ▁apparently ▁taking ▁advantage ▁of ▁d yn astic ▁str ife ▁within ▁the ▁Kingdom ▁of ▁G w yn ed d . ▁ ▁The ▁Me ic ▁Ara ilt ▁violence ▁during ▁this ▁period ▁could ▁account ▁for ▁Mac cus ' ▁participation ▁in ▁a ▁royal ▁assembly ▁conven ed ▁by ▁Ed gar , ▁King ▁of ▁the ▁English . ▁Mac cus ▁may ▁have ▁been ▁regarded ▁as ▁a ▁potential ▁threat ▁by ▁not ▁only ▁the ▁English ▁and ▁Wel sh ▁k ings , ▁but ▁also ▁the ▁r ul ers ▁of ▁the ▁Kingdom ▁of ▁Str ath c ly de . ▁Perhaps ▁as ▁a ▁conse u q ne ce ▁of ▁this ▁convention , ▁the ▁Me ic ▁Ara ilt