This is the Only State flag in the World that is Not used by All of the Government authorities. According to the Law, the Polish Flag
May be used Only by Polish Representations Abroad civil Airports and Airfields, Harbour authorities and Civil Aircraft Abroad. The Polish Arms are over 700 Years Old and Show a white Eagle on a red Shield. Officially Approved in 1831 as the colours of the national Cockade, they became popular During World War I.