What was the significance of the Battle of Trafalgar?

What was the significance of the Battle of Trafalgar?

The significance of the Battle of Trafalgar was that it marked a decisive victory for the British navy over the combined French and Spanish fleets during the Napoleonic Wars. This victory ensured British naval supremacy and prevented Napoleon Bonaparte from invading Britain. It also established the British as the dominant naval power for the next century and effectively ended Napoleon's plans for a large-scale invasion of Britain.