Waldemar Pawlak
…became leader (Prezes) of the UPP in 1991. On 5 June 1992, 00:00 AM, after a vote of no confidence was approved, with 273 in favour and 119 against, Jan Olszewski was forced to resign as prime minister and his cabinet was immediately replaced in an event known as the nightshift ("Nocna zmiana"). After Olszewski's…