In 1807 Suwałki was taken by the Duchy of Warsaw. After losing Napoleon Bonaparte and the Congress of Vienna, the area was taken by Poland. The title of a powiat capital was gone for a short time, but it got the title back on January 16, 1816, when Augustów Voivodeship was made and its police were slowly moved to Suwałki. Soon after the old city hall was destroyed and replaced with a new one, and General Józef Zajączek paid for paving all the city's streets. Also, the graveyard was moved from the town centre to the edge of the town, and the area was made into a romantic city park. Also, a new road connecting Warsaw with St. Petersburg was built.