April Novelization

April Novelization () refers to the changes (constitutional amendments) to the 1952 Constitution of the People's Republic of Poland, agreed in April 1989, in the aftermath of the Polish Round Table Agreement.
Among key changes were:
The 1952 constitution would be even further reformed by the December Novelization and Small Constitution of 1992, and finally replaced in 1997 by a completely new current Constitution of Poland.