The British Royal Navy's seizure of Lake Borgne in Louisiana was a pivotal moment in the War of 1812, showcasing the naval capabilities of Britain and their intent to expand military operations in American territory. The operation was initiated by Rear Admiral Cochrane, who was leading a campaign to capture New Orleans. By taking control of Lake Borgne, the British aimed to establish a blockade, preventing American forces from receiving reinforcements and supplies.

On the night of December 13-14, a naval expedition consisting of a fleet commanded by Captain John W. D. F. Pringle engaged American troops stationed in the area. The British landed on the shore, catching American defenses by surprise, which ultimately led to the takeover of strategic positions surrounding the lake. This not only demonstrated the Royal Navy's operational prowess but also highlighted the vulnerabilities present in American coastal defenses.

The consequences of this victory extended beyond the immediate control of Lake Borgne, as it set the stage for the British assault on New Orleans. The capture of the lake allowed the British to transport troops and supplies more efficiently, thereby increasing their chances of success in the forthcoming battle.