[1] In 1807 it was regained by Poles and included within the short-lived Polish Duchy of Warsaw, and in 1815 it passed to Russian-controlled Congress Poland.

[1] During the Polish–Soviet War, on August 17, 1920, the Russian Cheka murdered seven Poles in the present-day district of Rybienko Leśne [pl].

Fierce fights between the Poles and the invading Germans took place in the area on September 8–10, 1939 at the beginning of World War II.

The Germans killed over 7,000 inhabitants of Wyszków, including 5,000 Jews, and operated a forced labour camp for Soviet prisoners of war.

After the occupation, the town was restored to Poland, although with a Soviet-installed communist regime, which remained in power until the Fall of Communism in the 1980s.

It is made of reclaimed Jewish gravestones that had been removed from the site in 1939 by German forces, who used them as paving stones and to build the local Gestapo headquarters.