He took the command at Sackett's Harbor on Lake Ontario in October 1812.
He returned to Sackett's Harbor.
When on the 29th of May Chauncey was attacked at Sackett's Harbor, he would certainly have been overpowered if Sir George Prevost had not insisted on a retreat at the very moment when the American shipbuilding yard was in danger of being burnt, with a ship of more than eight hundred tons on the stocks.
Sir James Yeo began by blockading Sackett's Harbor in the early part of 1814, but when the American squadron was ready he was compelled to retire by the disparity of the forces.
When the cruising season of the lake was nearly over he in his turn retired to Sackett's Harbor, and did not leave it for the rest of the war.
SACKETT'S HARBOR, a village in Jefferson county, New York, U.S.A., at the eastern end of Lake Ontario, on the south shore of Black River Bay, about i m.
Sackett's Harbor is served by the New York Central & Hudson River railway.
Few feet above the lake level and separated from the mainland by a narrow strait, always fordable, and sometimes almost dry; at its eastern end is Sackett's Harbor Lighthouse.
At Sackett's Harbor are Madison Barracks, a United States military post, established in 1813 and including a reservation of 99 acres; and a United States Naval Station.
In the War of 1812 Sackett's Harbor was an important strategic point for the Americans, who had here a naval station, Fort Tompkins, at the base of Navy Point, and Fort Volunteer, on the eastern side of the harbour.
From Sackett's Harbor American expeditions against York (now Toronto) and Fort George respectively set out in April and May 1813; though scantily garrisoned it was successfully defended by General Jacob Brown (who had just taken command) against an attack, on the 29th of May, of Sir George Prevost with a squadron under Sir James Lucas Yeo.
Sackett's Harbor was the starting-point of a force of 700 men under a Pole named von Schultz, who in November 1838, during the uprising in Upper Canada (Ontario) attempted to invade Canada, was taken prisoner near Prescott, was tried at Kingston, being defended by Sir John Macdonald, and with nine of his followers was executed in Kingston in December.
On Ontario the Americans pushed on their preparations at Sackett's Harbour under Isaac Chauncey; the English were similarly engaged at Kingston.
In April 1813 the Americans took York (now Toronto), and in May moved on Fort George; but a counter-attack by Yeo and Prevost on Sackett's Harbour, on the 2gth of May, having made the Americans anxious about the safety of their base, naval support failed the American generals, and they were paralysed.