Belatedly, here's Walkaboutsverse's list from the link (not obvious when clicked):

INSTRUMENTS OF (OR CLOSELY ASSOCIATED WITH) ENGLAND

Northumbrian Bagpipes (bellows blown), Leicestershire Bagpipes (mouth blown); English Concertina,

Anglo Concertina, Duet Concertina (and important developments to – if not inventions of – other key-

boards, such as piano and organ, have also occurred in England); Dital Harp/Harp-Lute, English Cittern;

English Flageolet, Penny Whistle, Recorder/English Flute

(Footnote: during the Athens Olympics ceremonies, the Greeks, pleasingly, presented their bouzoukis:

I wonder how-many of the above instruments - and dances - will be shown at the London Olympics..?)