IIRC it was a conflict rather than a war although I appreciate that difference is semantic.
How British ownership of a bunch of islands 8000 miles away has nothing to do with Empire seems to me to be nonsense on stilts.
@Pale Rider is, I think in broadly the same age group as I am. Primary school in the sixties with a map on the wall showing massive chunks of Africa in pink. Most of those were by then independent but only very recently so. Our Fathers could have spent National Service chasing the Mau Mau in Kenya, or like my partners maternal uncle, being shot at by Aeoka activists in Cyprus. My Mother, who died within the last 5 years, was born 20 years before the partition of British India and independence for India and Pakistan.
Southern Rhodesia was, UDI notwithstanding, UK territory until 1980.
Still quite a few bits and bobs still are
https://en.wikipedia.org/wiki/British_Overseas_Territories
Another generation, born well into the seventies, still hang on to the myths of Empire.
They were the people who voted out in the numbers needed to get the result over the line. Friend of a friend in that cohort announced her vote was for 'our boys'. I asked (TIC) if she meant the rights of her grandsons to work and study in France.....