June 28. At around 10.15 in the morning large groups of demonstrators arrive in Kochanowskiego and Młyńska streets. The demonstrators release the prisoners and arm themselves with weapons taken from the prison’s storeroom. In Kochanowskiego street the demonstrators try to get into the building of the Voivodeship Security Office (UB). At around 11 a.m. first shots are fired from the UB building. In the afternoon army units move into Poznań. The struggle between the demonstrators and the UB functionaries and soldiers continues throughout the night. Fifty-seven persons get killed and 450 become wounded.

Annemarie Doherr (correspondent of “Frankfurter Rundschau”):

   I stood in the window of a private flat in Roosevelt street, 400 metres away from the UB building. Machine guns were firing incessantly. Again and again the frightened crowd would  run into the archways to hide from the bullets. Three heavy tanks of the T-34 type rumbled through the streets wet from the rain and halted under the windows. I saw a woman attach a flag to the turret of one of the tanks…  With tears in their eyes they sang the old Polish hymn Boże, coś Polskę. The French participants in the Poznań Fair kept calling to the crowd: “Vive la Pologne!”