Paris Gun
In 1918, the French Army made plans for a very long range multi-chamber gun in response to the German Paris Gun. The Paris Gun was built by Friedrich Krupp AG and could bombard Paris from German lines over a distance of no less than . The French initiative did not reach the prototype stage, as it was discontinued when the retreat of the German armies and the armistice put an end to the bombardment. The plans for the multi-chamber gun were archived, as they had been envisioned to counter the German fire.