Knowlton was killed in action at the Battle of Harlem Heights.

The regiment's next action came a month later, in September at the Battle of Harlem Heights.

At Harlem Heights they drove the enemy from the ground.

The Americans withdrew north up the island to Harlem Heights, where they skirmished the next day but held their ground.

He was the commander of the British troops at the Battle of Harlem Heights.

Washington used the building as his headquarters in fall 1776 during the Battle of Harlem Heights.

George Washington had his headquarters in the mansion during the Battle of Harlem Heights in 1776.

George Washington had to withdraw to Harlem Heights, where he was able to hold for at time.

The following day, the Battle of Harlem Heights happened.

The next day, September 16, the two armies fought the Battle of Harlem Heights.