Rubuta ci gaba don wannan sakin layi - Prague birni ne a cikin yankin soja da siyasa na Soviet Union (duba Iron Curtain). An buɗe babban abin tunawa na Stalin a kan dutsen Letná a 1955 kuma an lalata shi a 1962. Majalisa ta 4 na Marubuta na Czechoslovak da aka gudanar a cikin birni a watan Yunin 1967 ta ɗauki matsayi mai ƙarfi game da mulkin. A ranar 31 ga Oktoba 1967 ɗalibai sun yi zanga-zanga a Strahov. Wannan ya motsa sabon sakataren Jam'iyyar Kwaminis ta Czechoslovak, Alexander Dubček, ya yi shelar sabon yarjejeniya a rayuwar garinsa da ƙasarsa, yana fara lokacin ɗan gajeren lokaci na "zamantakewa tare da fuskar mutum". Shi ne Spring na Prague, wanda ke nufin sabunta cibiyoyin a cikin hanyar dimokiradiyya. Sauran kasashe mambobin kungiyar Warsaw, banda Romania da Albania, sun mayar da martani da mamaye Czechoslovakia
da babban birnin kasar a ranar 21 ga watan Agusta 1968 ta tankuna, tare da dakile duk wani yunƙuri na gyara.