Because the enemies ate pie.
The Battle of Trafalgar was fought to stop the French and Spanish fleet from joining with the French army in northern France and prevent a possible invasion of Britain.
Did france loose the Vietnam war?
Trafalgar
He was not personally at Trafalgar; but his navy lost the engagement on 21 October 1805.
Won
To honor those that died in the Battle of Trafalgar in 1805 when Britain's navy defeated Napoleon I of France.
Neither lose nor gain.
In 1802-1805
seven years' war
25 June 1940
Lost, Big Time.
France did not want their enemy to get stronger, so they helped out the Americans win the war. But France will lose a lot of money and plunge into debt.