This notion was influential among the French revolutionaries after 1790, notably among the Jacobins. After the victory of Valmy on September 20, 1792, the National Convention urged the soldiers to go after the Prussian armies of the other bank of the Rhine. For General Adam Philippe de Custine, commander of the Army of the Rhine, "if the Rhine is not the limit of the Republic, it will perish" (). On December 17, the Convention adopted the Declaration of the French Revolutionary Administration of Conquered Lands (), prelude to the annexation of Belgium by France. This was demanded by Georges Jacques Danton on January 21, 1793, justifying that "the limits of France are marked by nature, we will reach the four corners of the horizon, to the edge of the Rhine, to the edge of the ocean, to the edge of the Pyrenees, to the edge of the Alps. The boundaries of our Republic must be there."