People in Czechoslovakia, unable to find other ways to express their opinion, reacted with few very visible but ultimately ineffective manifestations of disagreement.
[1] In some places, particularly Prague, the celebrations turned to protests against the Soviet military who continued to occupy the country after the Warsaw Pact invasion the previous August.
[2] The next night many of the protesters had brought signs they created showing the score of the second game (4-3), and chants stating "Czechoslovakia 4 – Occupation forces 3!".
In Prague, protesters ransacked the Soviet Aeroflot office on the Wenceslas Square, though some have suggested they were encouraged by State Security agents.
Among them, Alexander Dubček was forced to resign as First Secretary of the Communist Party of Czechoslovakia, to be replaced by Gustáv Husák who started the politics of "normalisation".