General sejm. Piotrków 1493.
The sejm was convened on October or November 1492. The pre-sejm sejmiks were held in December 1493. On 15 January 1493 a general sejmik at Korczyn was held, during which the king John I Albert, who attended the general sejmik was given so-called petita of Korczyn. The actual sejm began its session on 18 January 1493. The privileges were confirmed on 14 February 1493. On 27 February sejm adopted resolutions and on 2 March - a conscription universal. The sessions ended on, probably, 3 March, as the king left Piotrków on 4 March, heading to Greater Poland.
See: Ustawodawstwo zob. Volumina Constitutionum, T. 1, cz. 1, Design and layout prepared by S. Grodziski, Irena Dwornicka, W. Uruszczak, Warszawa 1996, s. 48-59.. F. Papée, Jan Olbracht [John I Albert], Kraków 1936. J. Bardach, Historia sejmu polskiego [The history of Polish sejm], t. 1, Warszawa 1984, red. J. Michalski, s. 5-62.