On April 11, 1943, the first news about the crime committed in the forest near Katyn was released to the world.
On 4 July 1943, at 23:07, moments after take-off from Gibraltar Airport, Liberator II aircraft AL523 with General Władysław Sikorski on board, crashed into the Mediterranean Sea.
On 4 July 1928, the founding congress of the Sybiraks' Association was held at the Warsaw University of Technology.
Jan Kiliński - a shoemaker, Warsaw councillor, one of the commanders fighting in the Kościuszko Insurrection, a symbol of patriotism, today the patron of numerous streets, schools, scout troops... He is less known as an exile to Siberia.
