In the course of the assault, later known as the Battle of Fort Washington, Howe's forces captured 2,838 American prisoners and secured a large store of supplies.

[4] The English had been materially assisted by one of Magaw's officers, William Demont, who on November 2 had deserted and furnished Howe with detailed plans of the American fortifications and troop placements.

Married to John Corbin of the First Company of the Pennsylvania Artillery, Margaret cleaned, loaded and fired her husband's cannon after he was killed in battle.

Although severely injured, Margaret survived the encounter but never fully recovered from her wounds, leaving her permanently unable to use her left arm.

Nearby is a tablet indicating that the schist outcropping is the highest natural point on Manhattan Island, one of the reasons for the fort's location.