<prompt> Bhala ukuqhubeka kwalesi sigaba - U-Alexander Dubček ; 27 Novemba 1921 7 Novemba 1992 wayengusopolitiki waseSlovak owayesebenza njengoNobhala Wokuqala we-Presidium weKomidi Elikhulu leQembu LamaKhomanisi laseCzechoslovakia KSČ de facto umholi waseCzechoslovakia kusukela ngoJanuwari 1968 kuya ku-Ephreli 1969. Wazama ukuguqula uhulumeni wamaKhomanisi ngesikhathi sePrague Spring kodwa waphoqeleka ukuba ashiye isikhundla ngemuva kokuhlasela kweWarsaw Pact  <response>: ngo-August ka-1968. 