this post and its stores, and for that purpose he detached 570 infantry, some cavalry under Major Chapin, a few artillerymen, and two field-pieces, all under the command of Lieut.-Col. Charles G. Boerstler.
They marched up the Niagara River to Queenstown (June 23, 1813), and the next morning pushed off westward.
Their march appears to have been discovered by the British, for while Chapin's mounted men were in the advance and marching among the hills, Boerstler's rear was attacked by John Brantlmost surrounded by them.
After keeping up this contest, for about three hours, Boerstler determined to abandon the expedition, when he found himself confronted by an unexpected force.
Mrs. Laura Secord, a slight and delicate woman, living at Queenstown, became acquainted with Dearborn's plans, and at the time when Boerstler and his forces left Fort George--a hot summer evening — she made a circuitous journey of 19 miles on foot to the quarters of Lieutenant-Colonel Fitzgibbon (who was in comm