The fall of Longwy and Verdun, and the Argonne forest caused the defenders, who were reinforced by the arrival of the marquis de Beurnonville, to make a stand between the Aisne and Auve rivers.  
The fall of Longwy and Verdun, and the Argonne forest caused the defenders, who were reinforced by the arrival of the marquis de Beurnonville, to make a stand between the Aisne and Auve rivers.  Fighting began at "La Lune" tavern, but it was a heavy fog and the steady artillery fire of the French guns that truly saved the day.  When the defenders under Kellerman and Dumouriez let out a cheer of "Vive la Nation," as the Prussian guard advanced, the Duke of Brunswick withdrew from the field in, FTP, what 1792 engagement, a failed attempt to reestablish the rule of Louis XVI.
The fall of Longwy and Verdun, and the Argonne forest caused the defenders, who were reinforced by the arrival of the marquis de Beurnonville, to make a stand between the Aisne and Auve rivers.  
Battle of Valmy