Britain lost 245 planes in one single month
Britain lost 700,000 fighting men in WW1
it was the somme (ww1)
Britain lost to the American Colonies which would become the United States of America six years later in 1789.
Operation sea lion never actually happened. It was Hitler's planned invasion of Britain, but when Goering's Luftwaffe failed to destroy the British RAF in the Battle of Britain, Hitler postponed iit several times, and then canceled it.
Britain lose Singapore to Japanese a long time ago
Australia has not lost Britain as an ally.
What did Britain lose
Britain lost 544 aircrew in Battle of Britain. They don't separate pilots or others into trades.
Colonist worried they would lose many things if they became indpendent from Britain. They were afraid they would lose lots of things they imported, and their sense of security.
hong kong
Britain didn't lose in World war 2. With some timely help from the US, they ended up on the winning side.
Britain lost 245 planes in one single month
sos=save our stuff
Britain lost 700,000 fighting men in WW1
they would lose money and support and equipment and possibly their lives.
Britain didn't lose many wars and none because of Quebec. Quebec on the other hand...