Buuxi weedha soo socota: Habeenkii 20/21 August 1968, ciidamada Bariga Yurub ee shan dal oo ka tirsan Heshiiskii Warsaw (Midowga Soofiyeeti, Poland, Bariga Jarmalka, Hungary iyo Bulgaria)
waxay qabsadeen Czechoslovakia. Duulaanku wuxuu la socday Brezhnev Doctrine, siyaasad lagu qasbayo dowladaha Bariga inay u hoggaansamaan danaha qaranka kuwa Bloc oo dhan iyo adeegsiga xuquuqda Soviet si ay u soo farageliyaan haddii dal Bariga Bloc u muuqday inuu u wareegayo qabyaaladda. Duulaankii waxaa raacay mowjad tahriib ah, oo ay ku jiraan qiyaastii 70,000 oo reer Czechoslovaks ah oo markii hore cararay, iyadoo wadarta guud ay ugu dambeyntii gaareen 300,000.