However, during the [[Napoleonic Wars]] the Royal Navy played a major role, reaching the height of its achievements at the [[Battle of Trafalgar]] in 1805, where a British fleet commanded by [[Horatio Nelson|Lord Nelson]] decisively defeated the French. During the remainder of the 19th century the Royal Navy became the world's dominant naval force, and played a major part in building and defending the [[British Empire]]. In 1906 HMS Dreadnought became the Royal Navy's first "all-big-gun" battleship, a key turning point in British naval history; subsequently, large battleships became the dominant form of seapower. | However, during the [[Napoleonic Wars]] the Royal Navy played a major role, reaching the height of its achievements at the [[Battle of Trafalgar]] in 1805, where a British fleet commanded by [[Horatio Nelson|Lord Nelson]] decisively defeated the French. During the remainder of the 19th century the Royal Navy became the world's dominant naval force, and played a major part in building and defending the [[British Empire]]. In 1906 HMS Dreadnought became the Royal Navy's first "all-big-gun" battleship, a key turning point in British naval history; subsequently, large battleships became the dominant form of seapower. |