As a result of the Treaty of Campo Formio in 1797 , the Fricktal became a French protectorate , forming the front line between the French Revolutionary and the Austrian troops in the War of the Second Coalition .
Because of the Treaty of Campo Formio in 1797 , the Fricktal became a protectorate of the French , making the front line between the French Revolutionary and the Austrian troops in the War of the Second Coalition .