In the context of the Napoleonic Wars, the British Royal Navy executed a daring assault on Copenhagen to thwart Denmark's plans to surrender its fleet to Napoleon Bonaparte. Tensions between Britain and Denmark intensified when Napoleon pressured Denmark to align with his Continental System, which aimed to isolate Britain economically. The British, apprehensive about the potential bolstering of the French naval power through a Danish fleet, decided to take pre-emptive action. The attack began with heavy bombardment on September 2, during which British forces utilized innovative weaponry, including fire bombs and phosphorus rockets, marking a significant application of technology in warfare at the time.

The bombardment caused extensive damage to Copenhagen, resulting in large-scale fires and civilian casualties. After several days of intense bombardment, Denmark capitulated and committed to surrendering its fleet to Britain rather than allowing it to fall into French hands. This conflict showcased the strategic maritime priorities of the British Empire, revealing their efforts to maintain naval supremacy and counter the broader ambitions of Napoleon. The bombardment drew criticism for its impact on civilians, prompting debates on the ethics of warfare during this era.

The British Royal Navy's successful operation not only secured their dominance in the North Sea but also underscored the lengths to which Britain would go to ensure its survival against Napoleonic encroachment. The fallout from this incident influenced subsequent military and diplomatic strategies throughout the remainder of the Napoleonic Wars, cementing Britain's reputation as a formidable naval power.