Mezue ahịrịokwu na-esonụ: Na 21 August 1968, Šumperk
Ndi agha ndi mmadu Polish weghaara ya, nke ndi agha Red Army dochiri ya na 3 October 1968. Jan Zajíc, nwa akwụkwọ nke Šumperk Industrial School, gburu onwe ya site n'ịkụ onwe ya ọkụ dị ka ngagharị iwe ndọrọ ndọrọ ọchịchị megide ọchịchị Soviet, na-eso Jan Palach.