The sejm was convened by the king Sigismund I the Old to take place on 6 March but actually it began proceedings on 15 March 1547. Because of king’s advanced age and frequent illnesses, the deputies brought forward a proposal to hand over the reign in the Kingdom of Poland to king Sigismund II Augustus, who was already in power in the Grand Duchy of Lithuania (1544). As the king and senate rejected the proposal, the provincial deputies just left and did not take part in the