The Sejm was convoked in August 1664. Sejmiks were also held in 1664. Sessions commenced on November 26th 1664. Chamberlain of Pomerania Jan Trach Gniński was elected Speaker of the Deputies Chamber. The Sejm focused on the case of assassins of Field Hetman of Lithuania Wincenty Korwin Gosiewski, sentencing them to death. The sentence was duly executed. Grand Marshal of the Crown Jerzy Lubomirski was further sentenced to the forfeiture of dignity, life, and assets; the sentence was not

The Sejm was convoked by the king in September 1535 r. Pre-Sejm Sejmiks were held in October 1535. Sejm sessions opened on November 25th 1535 in the absence of the king, then in Lithuania in view of the war with Moscow; the monarch ordered the Sejm to proceed nonetheless. Debates were extraordinarily turbulent: regardless of the royal expectations that matters of state defence would be raised – as the war with Moscow aside, Tatar and Italian menace was at hand, not to mention