Nyora kupfuurira kweiyi ndima - Kupinda kweWarsaw Pact muCzechoslovakia
muna 1968 yakateverwa nemafungu okutama, asina kumboonekwa kare uye akamira nokukurumidza pashure pacho muna 1969 (fungidziro: 70 000 pakarepo, 300 000 yose zvayo), kazhinji yevanhu vane unyanzvi zvikuru.