The Sejm was convoked in September, pre-Sejm Sejmiks held in November 1590. Sejm sessions commenced on December 2nd 1590. Jan Izdbiński-Rusiecki was elected Speaker. In the course of Sejm debates, a conflict broke our between supporters of the King and of Lord Hetman Jan Zamoyski. Matters of Turkish threat were discussed. Regulations concerning military discipline were drafted. Debates concluded on January 27th 1591. See: K. Lepszy, Rzeczpospolita Polska w dobie sejmu inkwizycyjnego

The Sejm was convoked in October, Sejmiks held in November 1519. The Sejm was convoked in Toruń (Thorn), near the border with the Teutonic Order’s lands. Sejm sessions commenced on December 8th 1519, once King Sigismund I arrived in the city on December 8th 1519, yet after the outbreak of war. The King’s fundamental intent was to secure consent to taxation allowing warfare – yet the Deputies tabled a number of postulates as conditions for passing taxation resolutions