Teatr Ósmego Dnia (the Theatre of the Eighth Day), established in Poznań in 1964, was a part of Polish student theatre. Between 1976 and 1981, it became one of the most important companies in the history of the Polish theatre, producing several masterpieces. It also became a legendary grouping of democratic, anti-communist opposition. The persecution it was subjected to was caused by censorship, the secret police, and the administration at all levels. However, the members of the group managed to overcome everyday fear, face the totalitarian authorities openly, and create unforgettable artistic works. Four of them, who belonged to the group from the early 1970s, still maintain the ethical principles and artistic strategies adopted at that time, and thus now clash with the ideology of the current ruling administration, which is the right-wing Law and Justice Party.

During the late 1970s, members of the Polish democratic opposition revised and reinterpreted key elements in the Polish past in support of their contemporary ideas about Polish society and opposition. The birth of the independent press in Poland in 1976 provided these debates with a medium for wide dissemination and discussion. Analysis of democratic opposition debates in the independent press on the Polish–Lithuanian Commonwealth, historic Polish–Russian relations, and the struggle for and achievement of independence in the early twentieth century shed light on the ways in which the democratic opposition perceived Polish society and the legacy of tolerance, diversity, nationalism, and socialism within it. It also reveals the major divisions within the democratic opposition and its primary tactical proposals prior to the birth of the Solidarity trade union in 1980. Forty years later, these debates continue to reverberate.