This episode  details the Battle of Long Island in New York .The battle was a strategic victory for the British during the American Revolutionary War. The British, led by General Howe, utilized a flanking maneuver to surprise the American forces, who were primarily positioned on the Guan Heights. The Americans, under the command of General Putnam, suffered significant losses due to the British surprise attack and the subsequent chaotic retreat. Ultimately, the battle resulted in a British victory, forcing the Americans to retreat to Brooklyn Heights. 

Thanks to Wikipedia and Google Gemini for providing the details to help craft this story.