Ruthenian Voivodeship
During 966 - 1018, 1340 - 1772 (Ruthenian Voivodeship) and during 1918 - 1939 Czertez was part of Poland. Between 1772 and 1918 it belonged to Austrian empire, later Austrian-Hungarian empire when double monarchy was introduced in Austria. It is the oldest settlement in the Sanoczek river-basin.