There existed Białystok Region of the Home Army, which prepared an uprising, later known as Operation Tempest.
The organization run intelligence and propaganda networks.
The partizans collected a V2-rocket, parts of which were transported to London.

During the night of 15–16 August 1943, the Białystok Ghetto Uprising began.
This was an insurrection in Poland's Białystok Ghetto by several hundred Polish Jews who began an armed struggle against the German troops finishing off the liquidation of the 15,000 people still living in the Ghetto.
This Ghetto's victims were ultimately destined for the Treblinka extermination camp.
It was organized and led by Antyfaszystowska Organizacja Bojowa, an organisation that was part of the Anti-Fascist Block, and was the second largest ghetto uprising, after the Warsaw Ghetto Uprising, in Nazi-occupied Poland during World War II.

On 20 October 1943 the southern border between the East Prussian district Sudauen (Suwałki) in the Province of East Prussia and Bezirk Bialystok was adjusted and moved back to the northern side of the Augustów Canal.

In July and August 1944 Bezirk Bialystok was taken over by the Red Army up to the Narew-Bobr line.
The government seat for the Chief of Civil Administration was then moved to Bartenstein.
In January 1945 the Red Army overrun the last areas of Bezirk Bialystok, namely the remaining parts of the districts Łomża and Grajewo, driving the Germans completely out of the territory.
There existed Białystok Region of the Home Army, which prepared an uprising, later known as Operation Tempest. The organization run intelligence and propaganda networks. The partizans collected a V2-rocket, parts of which were transported to London.
During the night of 15–16 August 1943, the Białystok Ghetto Uprising began. This was an insurrection in Poland's Białystok Ghetto by several hundred Polish Jews who began an armed struggle against the German troops finishing off the liquidation of the 15,000 people still living in the Ghetto. This Ghetto's victims were ultimately destined for the Treblinka extermination camp. It was organized and led by Antyfaszystowska Organizacja Bojowa, an organisation that was part of the Anti-Fascist Block, and was the second largest ghetto uprising, after the Warsaw Ghetto Uprising, in Nazi-occupied Poland during World War II.
On 20 October 1943 the southern border between the East Prussian district Sudauen (Suwałki) in the Province of East Prussia and Bezirk Bialystok was adjusted and moved back to the northern side of the Augustów Canal.
In July and August 1944 Bezirk Bialystok was taken over by the Red Army up to the Narew-Bobr line. The government seat for the Chief of Civil Administration was then moved to Bartenstein. In January 1945 the Red Army overrun the last areas of Bezirk Bialystok, namely the remaining parts of the districts Łomża and Grajewo, driving the Germans completely out of the territory.
Bialystok District