Whakaotihia te rerenga e whai ake nei: Ko te kōrero mō tētahi kaikaute noa mai i te tonga-rawhiti o Poland, ko Ryszard Siwiec, nāna i tahuna i a ia i te wā o te hakari nui o te kotinga i te taiwhanga o Warsaw i te tau 1968. I mahia e ia hei whakahe
i te whakaekenga hōia ki Czechoslovakia.