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 18 March 1921, the treaty ending the Polish-Bolshevik war (the so-called Treaty of Riga) was signed in Riga.
He died on 7 July (25 June according to the Julian calendar) 1892 on the Siberian river Kolyma.
On 12 February 1833, Aleksander Czekanowski was born in Krzemieniec in Volhynia. He trained as a geologist, but was not given the freedom to pursue his career as he was sent to Siberia at the age of 30 for taking part in the January Uprising.
