Further to 4 posts above...

"...A similar mess over nationality occurs in the sporting world where English children, for example, can hope to play (perhaps managed by a citizen of a nation they may compete against) football for England, rugby-league for England/Great Britain, rugby-union for England/British Isles, athletics for England/U.K., golf for England/Europe, cricket for a combined England and Wales, or tennis for Great Britain - but Wimbledon is still The All England Lawn Tennis Championships…Anyone for friendly-rival republics?!" (from here).