Rubuta ci gaba don wannan sakin layi - Labarin wani mai lissafi na yau da kullun daga kudu maso gabashin Poland, Ryszard Siwiec, wanda ya ƙone kansa a lokacin babban bikin girbi a filin wasa na Warsaw a 1968. Ya yi hakan ne don nuna rashin amincewa da mamayar da sojoji suka yi.
a cikin Czechoslovakia.