ary ▁Club ▁of ▁Grand ▁Ba ie , ▁Maur it ius . ▁ ▁December ▁ 8 ▁ ▁The ▁No . ▁ 2 1 ▁Mine ▁explos ion ▁in ▁Whit well , ▁Tennessee ▁k ills ▁ 1 3 . ▁ ▁Arthur ▁Sc arg ill ▁becomes ▁President - elect ▁of ▁the ▁National ▁Union ▁of ▁Mine work ers ▁( Gre at ▁Britain ). ▁ ▁December ▁ 1 0 ▁– ▁During ▁the ▁Minister ial ▁Session ▁of ▁the ▁North ▁Atlantic ▁Council ▁in ▁Br uss els , ▁Spain ▁signs ▁the ▁Pro tocol ▁of ▁Acc ession ▁to ▁NAT O . ▁ ▁December ▁ 1 1 ▁ ▁Box ing : ▁Muhammad ▁Ali ▁los es ▁to ▁Tre vor ▁Ber b ick ; ▁this ▁proves ▁to ▁be ▁Ali ' s ▁last - ever ▁fight . ▁ ▁El ▁Moz ote ▁mass acre : ▁In ▁El ▁Salvador , ▁army ▁units ▁kill ▁ 9 0 0 ▁civ ili ans . ▁ ▁December ▁ 1 3 ▁ ▁Woj cie ch ▁Jar uz el ski ▁decl ares ▁mart ial ▁law ▁in ▁Poland , ▁to ▁prevent ▁the ▁dis m ant ling ▁of ▁the ▁commun ist ▁system ▁by ▁Sol id ar ity . ▁ ▁Cl ube ▁de ▁Reg at as ▁do ▁Fl am engo ▁wins ▁the ▁Inter cont inental ▁Cup ▁( football ) ▁after ▁a ▁ 3 – 0 ▁win ▁against ▁Liverpool . ▁▁ ▁December ▁ 1 5 ▁– ▁A ▁car ▁bomb ▁dest ro ys ▁the ▁Ira qi ▁Emb ass y ▁in ▁Be ir ut , ▁Leb anon , ▁killing ▁ 6 1 ▁people ; ▁Sy rian ▁intelligence ▁is ▁bl amed .