 In 1568 Sigismund Augustus, who had already embarked on a war fleet enlargement program, established the Maritime Commission.A conflict with the City of Gdańsk (Danzig), which felt that its monopolistic trade position was threatened, ensued.In 1569 Royal Prussia had its legal autonomy largely taken away, and in 1570 Poland's supremacy over Danzig and the Polish King's authority over the Baltic shipping trade were regulated and received statutory recognition (Karnkowski's Statutes).