Warsaw: the Year of Juliusz Słowacki, marking the 100th anniversary of his death, is inaugurated by Józef Cyrankiewicz. Wrocław: the 4th anniversary of the liberation of the city, a summary of the reconstruction efforts, the Exhibition of the Recovered Territories. Warsaw: rails laid on the Śląsko-Dąbrowski bridge. The renovation of the surroundings and monuments to Sigismund III Vasa and Copernicus.