last American shot fired during the Great War was fired by a 155mm Schneider howitzer called Calamity Jane, of the 11th Field Artillery Regiment
WWI, 1918 – The French-made artillery piece, nicknamed “Calamity Jane,” operated by a crew from the US 11th Artillery Brigade, that fired the last shot of the war for the Allies near Laneuville sur Meuse, France, November 11, 1918.