Rubuta ci gaba ga wannan sakin layi - A ranar 21 ga Agusta, 1968, an mamaye Šumperk
ta Sojojin Jama'ar Poland, wanda aka maye gurbinsa da Red Army a ranar 3 ga Oktoba, 1968. Jan Zajíc, ɗalibin Makarantar Masana'antu ta Šumperk, ya kashe kansa ta hanyar ƙona kansa a matsayin zanga-zangar siyasa game da mamayar Soviet, bayan Jan Palach.