page_title: Battle of Plattsburgh
section_title: American defenses
hierarchical_section_title: Battle of Plattsburgh / Background / American defenses
caption_attribution_description: English: Battle of Plattsburgh
context_page_description: The Battle of Plattsburgh, also known as the Battle of Lake Champlain, ended the final invasion of the northern states of the United States during the War of 1812. A British army under Lieutenant General Sir George Prévost and a naval squadron under Captain George Downie converged on the lakeside town of Plattsburgh, which was defended by New York and Vermont militia and detachments of regular troops of the United States Army, all under the command of Brigadier General Alexander Macomb, and ships commanded by Master Commandant Thomas Macdonough.
  Downie's squadron attacked shortly after dawn on 11 September 1814, but was defeated after a hard fight in which Downie was killed. Prévost then abandoned the attack by land against Macomb's defences and retreated to Canada, stating that even if Plattsburgh was captured, any British troops there could not be supplied without control of the lake.
  When the battle took place, American and British delegates were meeting at Ghent in the Kingdom of the Netherlands, attempting to negotiate a treaty acceptable to both sides to end the war.
context_section_description: On the American side of the frontier, Major General George Izard was the commander of the Northern Army, deployed along the Northeast frontier. In late August, Secretary of War John Armstrong ordered Izard to take the majority of his force, about 4,000 troops, to reinforce Sackett's Harbor. Izard's force departed on 23 August, leaving Brigadier General Alexander Macomb in command at Plattsburgh with only 1,500 American regulars. Most of these troops were recruits, invalids or detachments of odds and ends.
  Macomb ordered General Benjamin Mooers to call out the New York militia and appealed to the governor of Vermont for militia volunteers. Up to 2,000 militia eventually reported to Plattsburgh. However, the militia units were mostly untrained, and hundreds of them were unfit for duty. Macomb put the militiamen to use digging trenches and building fortifications.
  Macomb's main position was a ridge on the south bank of the Saranac River. Its fortifications had been laid out by Major Joseph Gilbert Totten, Izard's senior Engineer officer, and consisted of three redoubts and two blockhouses, linked by other fieldworks. The position was reckoned to be well enough supplied and fortified to withstand a siege for three weeks, even if the American ships on the lake were defeated and Plattsburgh was cut off. After Izard's division departed, Macomb continued to improve his defences. He even created an invalid battery on Crab Island, where his hospital was sited, that was to be manned by sick or wounded soldiers who were at least fit to fire the cannon. The townspeople of Plattsburgh had so little faith in Macomb's efforts to repulse the invasion that by September nearly all 3,000 inhabitants had fled the city. Plattsburgh was left occupied only by the American army.
caption: Plattsburgh fortifications[14]
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