Supplement: 4 June 1989 – Poland, Europe, the World. Andrzej Paczkowski, Patrycja Bukalska – Poland’s 1989, Step by Step. Antoni Dudek – Seen from the Other Side. Lukasz Kaminski – A Multi-Component Explosive Mixture. Marcin Kaczmarski – June Amnesia. Wojciech Jagielski – The Funeral of the Century