The Battle of Fort Oswego was a partially successful British raid on Fort Ontario and the village of Oswego, New York on 6 May 1814 during the War of 1812.
During the early months of 1814, while Lake Ontario was frozen, the British and American naval squadrons had been building two frigates each, with which to contest command of the lake during the coming campaigning season. The British under Commodore Sir James Lucas Yeo were first to complete their frigates on 14 April, but when the Americans under Commodore Isaac Chauncey had completed their own, more powerful, frigates, Yeo's squadron would be outclassed.
Lieutenant General Sir Gordon Drummond, the Lieutenant Governor of Upper Canada, suggested using the interval during which Yeo's squadron was stronger than Chauncey's to attack the main American harbour and base at Sackett's Harbor, New York. Most of its garrison had marched off to the Niagara River, leaving only 1,000 regular troops as its garrison. Nevertheless, Drummond would require reinforcements to mount a successful attack on the strongly fortified town, and the Governor General of Canada, Lieutenant General Sir George Prevost, refused to provide these.
Instead, Drummond and Yeo decided to attack the smaller post at Fort Ontario. This fort, with the nearby village of Oswego, New York, was a vital staging point on the American supply route from New York. Ordnance, food and other supplies were carried up the Mohawk River and across Lake Oneida, to Oswego, before making the final leg of the journey across the southeast corner of Lake Ontario to Sackett's Harbor.
Drummond and Yeo had reliable information that the garrison of the fort numbered only 290 regulars, and believed that thirty or more heavy guns intended for Chauncey's ships under construction at Sackett's Harbor were waiting there. They planned, by capturing Oswego, to capture these guns and thereby retain Yeo's advantage over Chauncey.
Yeo's squadron embarked the landing force and set out from Kingston late on 3 May. They arrived off Oswego early in the morning, on 5 May. The troops prepared to land shortly after midday, but a southerly breeze sprang up, which made it impossible for Yeo's ships to get close enough to the shore to provide support from their guns. That evening, a storm blew up, forcing the British squadron to withdraw for the night.
The British squadron returned to Oswego at eleven o'clock the next morning, and the landing proceeded. The landing force consisted of the 2nd Battalion, Royal Marines under Lieutenant Colonel James Malcolm, a company of the Glengarry Light Infantry under Captain Alexander MacMillan, a company of the Regiment de Watteville and a detachment of 200 sailors armed with boarding pikes under Captain William Mulcaster. Four more companies of the Regiment de Watteville were in reserve. Lieutenant Colonel Victor Fischer, the commanding officer of the Regiment de Watteville, was in charge of the landing.
The early republic period saw the United States move from the weak Articles of Confederation to the federal Constitution ratified in 1788, with the Bill of Rights added in 1791. George Washington served two terms as president (1789–1797), establishing precedents for executive authority, and the federal capital moved permanently to Washington D.C. in 1800. The Louisiana Purchase (1803) doubled the nation's territory for roughly $15 million, opening vast trans-Mississippi lands to American expansion. The War of 1812 against Britain ended inconclusively but produced a surge of American national identity and eliminated most British support for Indigenous resistance east of the Mississippi. The Northwest Indian Wars (1785–1795) and the Creek War (1813–1814) broke Indigenous confederacies that had resisted US expansion. The Missouri Compromise of 1820 temporarily balanced slave and free states as the nation expanded westward, but embedded the contradiction of slavery in every subsequent territorial debate.
This page covers Engagement at Oswego — Lake Ontario Raid (May 1814). A full Aubrey report for the area pulls together this battle alongside historic sites, land records, and everything else the record holds within a few miles:
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