Nevertheless, in accordance to the Treaty of Versailles, it was reintegrated with Poland in January 1920. 18 inhabitants of Margonin and its suburbs died in the Polish–Soviet War, and four were awarded with the Virtuti Militari, the highest Polish military decoration, for their bravery in the Battle of Warsaw (1920).
Despite the Treaty of Versailles, Poland reintegrated Margonin into its territory in January 1920. The Polish–Soviet War claimed the lives of 18 residents of Margonin and its surrounding areas, while four individuals were honored with the Virtuti Militari, the highest military award in Poland, for their bravery during the Battle of Warsaw (1920).