The Siege of Fort Stanwix ended in May.
 However, the Prussian and other German armies were delayed for months at the siege of Metz and the siege of Paris, due to the greatly increased firepower of the defending infantry, and the principle of detached or semi-detached forts with heavy-caliber artillery
 At Dien Bien Phu, the French were unable to use air power to overcome the siege and were defeated

