| Trafalgar Day | |
|---|---|
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| Observed by | United Kingdom and Commonwealth of Nations |
| Significance | Commemorates British naval victory over Spanish and French forces in 1805 |
| Date | 21 October |
| Next time | 21 October 2025 |
| Frequency | annual |
Trafalgar Day is the celebration of the victory won by the Royal Navy, commanded by Vice-Admiral Horatio Nelson, over the combined French and Spanish fleets at the Battle of Trafalgar on 21 October 1805.